4. Plucking these wires with equal force will produce which difference in effect?


AOnly the longer wire will make a sound.

BSounds produced by the wires will have different pitches.

COnly the longer wire will make a sound that can echo.

Dsounds produced by the wires will have different masses.

Answers

Answer 1

Answer:

D is the correct answer

Explanation:

Answer 2
D is the correct answer.. I took the quiz

Related Questions

If 2 objects are moved by the same force (F):
-The object with a smaller mass (m) has a larger acceleration (a)
-The object with a larger mass (m) has a smaller acceleration (a)

Calculated: force=mass x acceleration (F =M x A)

Answers

Answer:y=mx+b 58+5

Explanation:

Answer:

y=mx+b 58+5

Explanation:

Which of the following statements is true?

Thunder is caused by the heating and expansion of air.
Light travels faster than sound.
Thunderstorms are most common during the summer.
all of the above

Answers

Answer:both of them are true

Explanation:please thank me and write me with 5 stars please and thank you

Answer:

both are true

Explanation:

thunder: when air molecules are heated, they expand. Sound waves move faster in warm air than they do in cool air. and The speed of light as it travels through air is much faster than that of sound.

Use your answers from questions 1–3 as the basis for the first section of your lab report. This section provides your reader with background information about why you conducted this experiment and how it was completed. Outline the steps of the procedure in full sentences. It also provides potential answers (your hypothesis/es) relative to what you expected the experiment to demonstrate. This section should be 1–3 paragraphs in length.

Answers

Answer:

Do you have a picture for this one I need to see the question.

Explanation:

Answer:

so in all my hypothesis was correct. It is also true that the more mass on the carr the faster and farther it goes. if i were to do it differently i would probably add more washers to increase the mass and maybe test the 2nd law of motion.

Explanation:

The energy that is radiated to Earth by the Sun includes visible light, infrared radiation, ultraviolet radiation, and other types. These different forms of radiation are distinguished based on what property?

Answers

Answer:

The energy that is radiated to Earth by the Sun includes visible light, infrared radiation, ultraviolet radiation, and other types. These different forms of radiation are distinguished based on what property? Sunlight is a mixture of electromagnetic waves, ranging from infrared to ultraviolet.

Explanation:

Different forms of radiation such as visible light, infrared radiation etc are

distinguished based on their wavelength.

Energy which are derived from the Sun and radiated to the earth include

visible light, infrared radiation, ultraviolet radiation etc. These radiations have

their different wavelengths because of difference in frequency. The longer

waves have lower frequencies, and shorter waves have higher frequencies.

Wavelengths also help in their functions and to identify the various types of

waves we have as a result of the difference in this property.

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PLEASE HELP ASAP PPLLEEAASSEE HALPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
how does gravity cause erosion of a rock?

Answers

Answer:

Gravity impacts erosion in direct ways like landslides, mudslides and slump. It can also impact erosion in indirect ways, by pulling rain to the Earth and forcing glaciers downhill.

Explanation:

Gravitational erosion describes the movement of soil or rock due to the force of gravity.

it effect erosion bc it effects the mtns and the land around us and rocks are out in that land so when it is effected by gravity the land around it causes erosion

Golf Skills pls help me

Answers

Answer:

4. D front foot

5. B. Continued Contact

Answer:

4:back foot

5:Follow through

Explanation:

another time Quizlet

A pendulum oscillates 40 times in 4 seconds. Find it's time period and frequency.

Explanation needed!
Don't spam!​

Answers

[tex]\Large\sf\underline\blue{Question\:given:}[/tex]

A pendulum oscillates 40 times in 4 seconds. Find it's time period and frequency.

[tex]\Large\sf\underline\pink{To~ find:-}[/tex]

The time period Its Frequency

[tex]\Large\sf\underline\red{Solution ~1}[/tex]

Frequency of oscillation is defined as the number of oscillation of a vibrating body per second.It is given by

[tex]\sf{Frequency=} \\ \dfrac{Number ~of~ oscillation}{Time}[/tex]

[tex]=\dfrac{40}{4}[/tex]

[tex]\sf{=10 Hz}[/tex]

[tex]\Large\sf\underline\green{Solution ~2}[/tex]

The time period

The time required to complete one oscillation is known as Time period.

It is given by the inverse of the frequency.

[tex]\sf{Time~Period=} \\ \dfrac{1}{Frequency ~of~ oscillation}[/tex]

[tex]{=}\dfrac{1}{10}[/tex]

[tex]\sf{=0.1 s}[/tex]

________________

Therefore the frequency is [tex]\sf{=10 Hz}[/tex]

And the time period is [tex]\sf{=0.1 s}[/tex]

▬▬▬▬▬▬▬▬▬▬▬▬

THIS IS A SCIENCE QUESTION, sorry if it says physics, this is middle school science
1. What is the difference between a transverse and longitudinal wave? List examples of each

2. Explain oscillations, or motion, or both types of waves.

3. The equation V + f x 人 is used to calculate the speed of a wave. what do the symbols f and 人 represent, and what unit are they measured in?

Answers

Answer:

1. Examples of transverse waves include vibrations on a string and ripples on the surface of water. We can make a horizontal transverse wave by moving the slinky vertically up and down. In a longitudinal wave the particles are displaced parallel to the direction the wave travels.

2. There are two basic types of wave motion for mechanical waves: longitudinal waves and transverse waves. The animations below demonstrate both types of wave and illustrate the difference between the motion of the wave and the motion of the particles in the medium through which the wave is travelling.

3. f is force and 人 is wave length

Answer:

Explanation:

1. A Transverse wave is motion in which all points on a wave move or swing back and forth at a regular speed along paths at right angles to the direction of the wave's advance and an example is ripples on the surface of water. A Longitudinal wave is a wave consisting of a periodic disturbance or vibration that takes place in the same direction as the advance of the wave and an example ultrasound waves.

2. A motion wave is the transfer of energy and momentum from one point of the medium to another point of the medium without actual transport of matter between two points.

3. f is force and 人 is wave length

PLEASE GO TO THIS QUESTION QUICKLY

https://brainly.com/question/19585029 answeringSource=feedPublic%2FhomePage%2F1

Answers

what how do i get there

Answer:

cheeze

Explanation:

im behind u

Explain the role of heat energy and temperature in the following circumstances:

Condensation:

Sublimation:

Deposition:

Answers

Answer:

Condensation: Where a Gas turns to a Liquid/ Decrease in energy/ Increases the resistance of the flow.

Sublimation: Where a Solid turns to a Gas/ Increase in energy/ Decreases the resistance of the flow.

Deposition: Where a Gas turns to a Solid/ Decrease in energy/ Increases the resistance of the flow.

Explanation:

That is what those three mean.( definition )

The smallest particle in the universe?
A grain of salt is small, but you can always make it smaller. Imagine cutting that grain of salt into two pieces. Now cut it again and again. Soon, you can't see the smaller pieces with your eyes, but the salt is still there. You finally cut the salt down to the very tiniest piece of salt there is. But even that tiny piece contains smaller particles. Those tiny particles are atoms. Atoms make up everything in the visible universe from galaxies to even yourself. Atoms are so incredibly small that you could line up 50 million in a row and the line would only be about 1 centimeter (less than half an inch) long. Still, scientists have found things that are smaller than atoms. And they are looking for more. If they find the smallest things in the universe, they'll better understand how the universe actually works. But it took some time before people discovered the world of the truly small.
The Universe Gets Smaller…
Grains of sand or dust were once the smallest things actually seen on Earth. By the 1600s, several inventions opened up brand new worlds to curious minds.
These included lenses that could make things look clearer and bigger. Another early invention was the microscope. Some people used the microscope to observe and write about the tiniest things they could see.
In the 1670s, a Dutch lens maker named Antonie van Leeuwenhoek built himself a microscope. It magnified things more than 200 times. Van Leeuwenhoek discovered a world of tiny living things that he called tiny animals. Van Leeuwenhoek figured they were about 1/38th the size of a grain of sand. Today we know that what he saw were bacteria, the smallest living things on Earth. But atoms are much, much smaller. You can't see atoms with an ordinary microscope.
…And Smaller
The idea that tiny, unbreakable particles make up everything that exists is more than 2000 years old. The Greek thinker Democritus called these particles "atomos." This is the Greek word for "uncuttable."
Scientists didn't return to the idea of atoms until the 1800s. At first, scientists thought atoms were tiny balls with some electrical charges inside. They also thought atoms were the smallest particles that existed.
But scientists soon began to wonder if atoms might be made of smaller things. In 1897, British scientist J. J. Thomson proved that they were. He ran experiments and discovered the electron. This tiny particle has a negative electrical charge and whizzes around inside the atom.
A graphic showing the basic atomic structure of three elements, hydrogen, helium and oxygen. Protons, neutrons and electrons are shown.Zoom-in
Different elements have different numbers of protons, neutrons, and electrons.
The Smallest Things—So Far
Scientists were soon discovering more inside the atom. Hiding in the atom's center is the tiny nucleus. (If an atom were the size of a racetrack, the nucleus would be about the size of a pea in the middle.) The nucleus contains two types of particles: protons and neutrons. Protons have a positive electrical charge while neutrons have no charge. They contain even tinier particles called quarks that are so unimaginably small that they have no internal structure. Quarks and electrons are the smallest particles found so far. Scientists call the smallest things they've found fundamental particles. Fundamental particles do not contain any smaller particles. Scientists use huge machines called particle accelerators to learn more about particles. These machines speed up particles so they can smash into each other. Then the scientists track the paths the particles leave when they hit. Scientists use accelerators to discover new particles.
Many scientists wonder why there are so many particles at all. Shouldn't there be just one "smallest thing" instead of many? The search goes on for the particle that is the one true building block of everything in the universe.

How did Antonie van Leeuwenhoek become involved with the study of small particles?
A He studied ideas from the ancient Greeks
B He made lenses that magnified things
C He was a biologist who studied bacteria
D He experimented with atoms and electrons
What happened as a result of J.J. Thomson’s discovery of the electron?
A Scientists developed more powerful microscopes
B Scientists learned that the atoms were empty inside
C Scientists continued to discover smaller particles
D Scientists decided taking apart atoms was dangerous

Answers

Answer:

B, C

Explanation:

I read ;)

which planet does the sun have the strongest gravitational pull

Answers

Answer:Jupiter

Explanation:It’s the closest to the sun

Answer:

Jupiter

Explanation:

Because it's biggest

The smallest particle in the universe?
A grain of salt is small, but you can always make it smaller. Imagine cutting that grain of salt into two pieces. Now cut it again and again. Soon, you can't see the smaller pieces with your eyes, but the salt is still there. You finally cut the salt down to the very tiniest piece of salt there is. But even that tiny piece contains smaller particles. Those tiny particles are atoms. Atoms make up everything in the visible universe from galaxies to even yourself. Atoms are so incredibly small that you could line up 50 million in a row and the line would only be about 1 centimeter (less than half an inch) long. Still, scientists have found things that are smaller than atoms. And they are looking for more. If they find the smallest things in the universe, they'll better understand how the universe actually works. But it took some time before people discovered the world of the truly small. The Universe Gets Smaller… Grains of sand or dust were once the smallest things actually seen on Earth. By the 1600s, several inventions opened up brand new worlds to curious minds. These included lenses that could make things look clearer and bigger. Another early invention was the microscope. Some people used the microscope to observe and write about the tiniest things they could see. In the 1670s, a Dutch lens maker named Antonie van Leeuwenhoek built himself a microscope. It magnified things more than 200 times. Van Leeuwenhoek discovered a world of tiny living things that he called tiny animals. Van Leeuwenhoek figured they were about 1/38th the size of a grain of sand. Today we know that what he saw were bacteria, the smallest living things on Earth. But atoms are much, much smaller. You can't see atoms with an ordinary microscope.
…And Smaller The idea that tiny, unbreakable particles make up everything that exists is more than 2000 years old. The Greek thinker Democritus called these particles "atomos." This is the Greek word for "uncuttable." Scientists didn't return to the idea of atoms until the 1800s. At first, scientists thought atoms were tiny balls with some electrical charges inside. They also thought atoms were the smallest particles that existed. But scientists soon began to wonder if atoms might be made of smaller things. In 1897, British scientist J. J. Thomson proved that they were. He ran experiments and discovered the electron. This tiny particle has a negative electrical charge and whizzes around inside the atom. A graphic showing the basic atomic structure of three elements, hydrogen, helium and oxygen. Protons, neutrons and electrons are shown.Zoom-in Different elements have different numbers of protons, neutrons, and electrons. The Smallest Things—So Far Scientists were soon discovering more inside the atom. Hiding in the atom's center is the tiny nucleus. (If an atom were the size of a racetrack, the nucleus would be about the size of a pea in the middle.) The nucleus contains two types of particles: protons and neutrons. Protons have a positive electrical charge while neutrons have no charge. They contain even tinier particles called quarks that are so unimaginably small that they have no internal structure. Quarks and electrons are the smallest particles found so far. Scientists call the smallest things they've found fundamental particles. Fundamental particles do not contain any smaller particles. Scientists use huge machines called particle accelerators to learn more about particles. These machines speed up particles so they can smash into each other. Then the scientists track the paths the particles leave when they hit. Scientists use accelerators to discover new particles. Many scientists wonder why there are so many particles at all. Shouldn't there be just one "smallest thing" instead of many? The search goes on for the particle that is the one true building block of everything in the universe

Which sentence from the article helps the reader to understand that the nucleus of an atom is very small?
A Still, scientists have found things that are smaller than atoms
B The idea that tiny, unbreakable particles make up everything that exists is more than 2,000 years old
C Hiding in the atom's center is the tiny nucleus
D (If an atom were the size of a racetrack, the nucleus would be about the size of a pea in the middle.)
Read the paragraph below from the section "... And Smaller."
But scientists soon began to wonder if atoms might be made of smaller things. In 1897, British scientist J. J. Thomson proved that they were. He ran experiments and discovered the electron. This tiny particle has a negative electrical charge and whizzes around inside the atom
What inference can the reader make based on this paragraph?
A Electrons are the made up of even smaller particles
B Other scientists had questions about Thomson’s experiments
C Thomson could not see electrons but found signs they existed
D Thomson discovered electrons while looking through a microscope

Answers

Answer:

breh

Explanation:

Dr. Shapiro has asked you to analyze the Magnetic Field Line diagrams and determine whether the data supports the claim that the magnets in the launcher were misaligned during the Tuesday test launch, causing it to be slower than expected.


Explain how the magnetic field line data supports or refutes the claim that the launcher and spacecraft magnets were misaligned in the Tuesday launch.


plz, help!!!

Answers

Answer:

People have been aware of magnets and magnetism for thousands of years. The earliest records date back to ancient times, particularly in the region of Asia Minor called Magnesia—the name of this region is the source of words like magnet. Magnetic rocks found in Magnesia, which is now part of western Turkey, stimulated interest during ancient times. When humans first discovered magnetic rocks, they likely found that certain parts of these rocks attracted bits of iron or other magnetic rocks more strongly than other parts. These areas are called the poles of a magnet. A magnetic pole is the part of a magnet that exerts the strongest force on other magnets or magnetic material, such as iron. For example, the poles of the bar magnet shown in Figure 20.2 are where the paper clips are concentrated.

Explanation:

Answer:

Explanation:

caby baraa

PLEASE HELP!!! I'm dumb lol.
Which statement best describes the explanatory powers of hypotheses and theories?
A hypothesis does not provide an explanation but instead only predicts what may happen.
A theory does not provide an explanation but instead only predicts what may happen.
The explanation given by a theory is well tested and supported by many observations and hypotheses.
The explanation given by a hypothesis is well tested and supported by many observations and theories.

Answers

Answer:

A theory or hypothesis does not necessarily provide an accurate scientific explanation to any topic but predicts what can happen.

Explanation:

Answer:

The explanation given by a theory is well tested and supported by many observations and hypotheses.

Explanation:

EDG 100%

Travis is a vice principal of a technical school. Travis's job falls under Administration and Administrative Support pathway of the Education and Training career cluster.
True or false?

Career Exploration 1 in k12 online private school

Answers

Answer:

true

Explanation:

Answer:

True

Explanation:

Just took the test on Edmentum

In a warehouse, the workers sometimes slide boxes along the floor to move them. Two boxes were sliding toward each other and crashed. The crash caused both boxes to change speed. Based on the information in the diagram, which statement is correct? In your answer, explain what the forces were like and why the boxes changed speed.

Box 1 has more mass than Box 2.
Box 1 and Box 2 are the same mass.
Box 1 has less mass than Box 2

Answers

Answer:

Box 1 and Box 2 are the same mass It caused both to change speed because they have both the same mass.

Explanation:

This is the one item that POTENTIAL and KINETIC energy have IN COMMON.

(think of the formulas............ SAY IT!)

Answers

The answer is A


Kinetic energy=1/2.mass.velocity2

Potential energy=mass.gravity field.height

They both have mass in their formulas.
the answer is “mass”

which planet does the sun have the strongest gravitational pull
a) mercury
b) earth
c) saturn
d) pluto

Answers

saturn is the planet that the sun has the strongest gravitational pull

A box of mass mmm is pushed to cause an acceleration (a) on a frictionless ramp. The ramp has an angle θ.
What is the magnitude of the push force (F)?

Answers

Newton’s second law: F=ma

Given: mass=m acceleration=a

We have to use the formula.
F=ma so the magnitude of the push force is
|ma|

A box of mass (m) is pushed to cause an acceleration (a) on a frictionless ramp. the magnitude of the push force (F) will be ma

What is Newton's second law?

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

The mathematical expression for Newton's second law is as follows

F = m*a

where F represents the force applied

m is the mass of the object

a is the acceleration of the object

Thus, by using Newton's second law, the magnitude of the push force (F) would be ma.

Learn more about Newton's second law, here

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A box of mass (m) is pushed to cause an acceleration (a) on a frictionless ramp. The ramp has an angle θ.
What is the magnitude of the push force (F)?

Answers

Answer:F/m + g sin 0

Explanation:

A box of mass (m) is pushed to cause acceleration (a) on a frictionless ramp. the magnitude of the push force (F) will be (ma +mgsinθ).

What is Newton's second law?

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

The mathematical expression for Newton's second law is as follows

F = ma

As given in the problem A box of mass (m) is pushed to cause acceleration (a) on a frictionless ramp. The ramp has an angle θ and we have to find the magnitude of the push force under equilibrium position,

For the equilibrium of the forces, the net force along the inclined surface must be zero,

The component of the gravitational force mg along the inclined surface would be mgsinθ,

F + ma + mgsinθ = 0

F = - ma - mgsinθ

F = - (ma +mgsinθ)

The negative sign represents that the force is applied in the opposite direction as shown in the figure.

Thus, by using Newton's second law, the magnitude of the push force (F) would be (ma +mgsinθ )

Learn more about Newton's second law, here

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Which two types of air masses would likely form a subtropical jet stream?

Warm and cool air masses meeting near the North Pole
Cool and warm air masses meeting near the equator
Multiple warm air masses meeting near the equator
Two or more cool air masses meeting near the South Pole

Answers

The exact location of the 'subtropical-jet stream' is located at the North phase of 30 Degrees and the reason behind this is due to the variation of air which lies on the region of mid-altitude and warmer equatorial air. the correct answer would be Cool and Warm air masses meeting near the equator.

Answer:

Cool and Warm air masses meeting near the equator.

Describe three ways a bicyclist can change velocity.

Answers

Answer:

changing their speed, changing direction, or when both speed and direction change

Explanation:

changing their speed,

changing direction,

or when both speed and direction change

The three ways a bicyclist can change velocity is,

AccelerationSlow down the speedChanges in the frictional force.

What is the Velocity?

The frequency as well as direction of modification mostly in location of an item is measured is a Velocity. Also velocity can be defined as the rate and direction of object's movement.

The three techniques by which a bicyclist may modify the speed or velocity, including such as:

The bicyclist will first try to apply additional energy and motivation, i.e., the acceleration in which it can completely speeds up.The bicyclist will release the elastic potential energy or displacement by descending a hill as well as increasing speed in which the speed or velocity will get slow.The bicyclist should pertain less power to slow things down and also he should notice the frictional force of the bike.

Learn more about the velocity,

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Edward deposited ​$10,000 into a savings account 5 years ago. The simple interest rate is ​3%. How much money did earn in​ interest?

Answers

The answer would be $3,000 because 0.30 x 10,000 = 3,000
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A. The girl kicks a ball with a force of 10 N, what is the size of the reaction force?

B. The baseball player hits the ball with a force of 20 N, what is the size of the reaction force?

C. The rockets thrusts push down with a force of 1,000 N, what is the size of the reaction force?

D. You blow a balloon up and let it go. Air pushes out to the left but the balloon moves to the right. Use Newton's Third Law to explain why this happens.

Answers

A. 10
B.20
C.1,000
I took the test

A.  The size of the reaction force is 10 N.

B.  The size of the reaction force is 20 N.

C. The size of the reaction force is 1,000 N.

D.  As every action has equal and opposite reaction, when you blow a balloon up and let it go. Air pushes out to the left but the balloon moves to the right.

What is force?

A force is an effect that tends to move a stationary object into motion, stop a moving object, alter the speed and direction of a moving object, or alter the size and shape of a body.

Newton's third law of motion states that For every action, there is an equal and opposite reaction. So,

A. The girl kicks a ball with a force of 10 N, the size of the reaction force will be 20 N.

B. The baseball player hits the ball with a force of 20 N, the size of the reaction force is 20 N.

C. The rockets thrusts push down with a force of 1,000 N,  the size of the reaction force is 1000 N.

D. According to Newton's third law of motion, For every action, there is an equal and opposite reaction. So when you  blow a balloon up and let it go. Air pushes out to the left but the balloon moves to the right which in opposite in direction and magnitude of force is equal.

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TRICK QUESTION- CORRECT ANSWER GETS BRAINLIEST
WHAT DOES L+F EQUAL?
Please put an explanation as well, I want to see how you guys got it :)

Answers

Explanation: The answer is :.........................

LF                                                                                                                                                        

             

please help me

The symbol P represents the element phosphorus. This element’s atomic number is 15. How many protons and electrons are in a P–3 ion?

15 protons and 3 electrons
12 protons and 15 electrons
15 protons and 18 electrons
18 protons and 15 electrons

Answers

Answer:

15 protons and 18 electrons

General Formulas and Concepts:

Chemistry

Reading a Periodic TableElement NumberNeutral AtomsIons

Explanation:

We are given the element P. P is 15 on the Periodic Table, meaning it has 15 protons and 15 electrons (all elements are in neutral form).

P³⁻ ion means the element now has a negative charge of 3. We know protons have a positive charge and electrons have a negative charge. 3- means we will have more electrons than protons.

Therefore, P³⁻ would have 15 protons and 18 electrons:

15 (+) + 18 (-) = 3 (-)

15 protons and 18 electrons

Golf Skills pls help me

Answers

Answer:

1. Grip

2.  He/she prepares for contact with the ball

3. He/she is a assembled a stroke

Explanation:

Answer:

1:grip 2:he/she prepares for contact with the ball. 3: She/he is assessed with a stroke.

Explanation:

think about it

Which of these is a likely impact of stronger than normal trade winds on the eastern Pacific Ocean?

Warm surface water builds up, causing lower than average temperature.
Warm surface water builds up, causing higher than average temperature.
Warm surface water is reduced, causing colder conditions than normal.
Warm surface water is reduced, causing hotter conditions than normal.

Answers

Answer:

Jet stream would be displaced southwards causing heavy rain and flooding.

Explanation:

The other options of the question were A) Jet stream would be displaced northwards causing drought. B) Jet stream would be displaced southwards causing drought. D) Jet stream would be displaced northwards causing heavy rain and flooding,

The statement that is a likely impact of stronger than normal trade winds in the Pacific Northwest to the United States is "Jet stream would be displaced southwards causing heavy rain and flooding."

We are talking about climate or weather terminology. In this case, we are referring to the "El Niño" (the Children) effect. Its presence affects the weather in North America. This phenomenon combines with the "La Niña) effect and it presents itself every two to seven years, ad they last from 8 to 12 months, affecting the weather conditions of the region.

Warm surface water builds up, causing lower than average temperature is the correct answer.

Warm surface water builds up, causing lower than average temperature is the impact of stronger trade winds than normal trade winds on the eastern Pacific Ocean. When the trade winds are stronger than normal during La Niña, the winds moves more surface water to the western half of the Pacific basin.

The warm water grows deeper which results in storing excess heat at depth, and allowing colder, deeper water to rise to the surface in the eastern half of the Pacific basin. During La Niña, waters of the Pacific coast are colder and also  contain more nutrients than usual so we can conclude that the replacing of warm water to cold water lowers the average temperature.

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REALLY NEED HELP, 3 QUESTIONS 20 POINTS. ONLY ANSWER IF YOU KNOW THE CORRECT ANSWER. DO NOT ANSWER WITH "I DON'T KNOW, SORRY" JUST FOR THE BRAINLY POINTS. Thanks very much, have a great day. ( I Will report you if you answer with "I don't know, sorry"
1) A spring with a natural height of 60 mm is compressed by a 300 g mass to a new height of 54 mm.
 Find the spring constant in SI units.
 Find the height of the spring if the 300 g mass were replaced by a 400 g mass

2) A spring is stretched by 2m with a force of 100 N. Calculate its spring constant.

3) You have just bought an innerspring mattress that contains coil springs in a rectangular array 20 coils wide and 40 coils long. You estimate that when you lie on the mattress, your weight is supported by about 200 springs (about one-fourth of the total number of springs in the mattress). You observe that the springs compress
about 2.0 cm when you lie on the mattress. Assuming that your weight of 600 N is supported equally by 200 springs, find the force constant of each spring.

Answers

Answer:

1. a. -490N/m

  b. -653.333N/m

2. -50N/m

3.  (i don't know this one but i hope the rest is helpful)

Other Questions
Where, what, and who works for "UNICEF"? Animal SensesAnimals possess sensory powers that humans lack. Homing pigeons fly with great speed and accuracy when(1)with messages to faraway places. How do pigeons (2)themselves in unfamiliar regions?This remains something of a(n) (3) The mystery, however, is partly explained by a pigeon's ability to seeultraviolet light, which reveals the sun's position even through clouds. In addition, pigeons can hear sound waves thathave traveled hundreds of miles. These waves (4) va pigeon's sense of direction by indicating distantmountains and seas. Pigeons even appear to (5) changes in the earth's magnetic field.Likewise, bats have impressive (6) vs equally worthy of acclaim. As(7) animals, they search for food in complete darkness. They do so byscreeching in tones higher than any human can hear and then locating prey by thereturning echoesScorpions also (8)the night hunter. Tiny leg hairs enable them to feelvibrations in the sand made by a (9)insect as far as two feet away.to thePeople with knowledge of the pigeon, bat, and scorpion can (10)fact that such "innovations as the magnetic compass, radar, and the motiondetector are nothing new.0 of 0 answers correcto Arianna is buying plants for her garden. She buys 15 flowering plants for $96. Pink flowering plants sell for $8, and purple flowering plants sell for $5. How many pink flowering plants did Arianna buy?6 pink flowering plants7 pink flowering plants8 pink flowering plants9 pink flowering plants What do effective listening skills involve? Check all that apply.selective listeningattentive listeningactive listeningsign languagebody languagepassive listening 10.8 1.0Electronegativity difference of Mg and O:yes no What type of modulation is typically used by broadcasting stations to transmit pictures on television screens?O amplitudeO frequencyO phaseO pulse Upon ingestion of bacteria, white blood cells release a chemical messenger into the blood stream that causes the synthesis of inflammation response proteins by liver cells. What is this is an example of? Bella bought 3.2 meters of ribbon to decorate her pencils case. Is the school system evil? (Explain your answer) There are many paid positions available within a political campaign. A person might be paid to work in all ofthe following areas EXCEPT:A technologyB. canvassingC. fundraisingD. public relations How is good (stratospheric) ozone formed?answer is b DO AUVT and AKU in the figure annear to he similar? Why or why not? Find the product. Simplify before multiplying.12/21 x 7/9 Freida wants to model the way atoms move when a substance changes its state. To do this, Freida makes a pyramid of marshmallows. Then, she knocked down the pyramid causing the marshmallows to fall. If the marshmallows represent the atoms in the substance, which change of state is Freida modeling? PLEASE HELP!Which of the following is an example of a chemical change?A. A large nail rustingB. Folding a piece of paperC. Filling a balloon with hot airD. Wax melting from a candle Which principle of design is expressed in the above example? 1 or 2 or 3 or 4 5 or 6 or 7 or 8- 9 or 10 or 11 or 12 - 13 or 14 or 15 or 16. What are the key components to planning a presentation? Check all that apply:audience conclusionmethods purposethesis title topic Ahmed recorded the temperature outside his window one morning. On the second day, the temperature went up 7 degrees. On the third day, the temperature went down 10 degrees. On the fourth day, the temperature went down 6 degrees, and it was 1F.What was the temperature on the first day? Lawson Manufacturing Company has the following account balances at year end:Office supplies $ 4,000Raw materials 27,000Work-in-process 59,000Finished goods 109,000Prepaid insurance 6,000What amount should Lawson report as inventories in its balance sheet?A) $109,000.B) $113,000.C) $195,000.D) $199,000. chemical composition of the Rough endoplasmic reticulum