saturn is the planet that the sun has the strongest gravitational pull
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
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.
Golf Skills pls help mee
Answer:
1.) Putting club or the putter
2.) Either the 4-, 5-, or the 6- iron club
3.) 14 clubs
4.) The height of the golfer
Explanation:
I used to golf
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!!!
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
Eric threw a baseball 20 meters in 0.5 seconds. What was the average speed of the baseball to the nearest hundredths of a m/sec.
Answer:
40m/sec
Explanation:
speed = distance ÷ time
speed = 20 ÷ 0.5
speed = 40 m/sec
Answer:
40 m/s
Explanation:
Speed or velocity is distance over time. Therefore,
20 meters/0.5 seconds
= 40 m/s
PLEASE HELP ASAP PPLLEEAASSEE HALPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
how does gravity cause erosion of a rock?
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.
which planet does the sun have the strongest gravitational pull
Answer:Jupiter
Explanation:It’s the closest to the sun
Answer:
Jupiter
Explanation:
Because it's biggest
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.
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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For each example(stated below), describe where the energy is coming from and how it is affecting change, or putting each object into motion.
ExAmPlEs:
Flashlight
Hot Air Balloon
Water Wheel
Fan
Motorcycle
Hitting a Golf ball..
djfhgdj i know that's a lot im sorry-
Golf Skills pls help me
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
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
Answer:
true
Explanation:
Answer:
True
Explanation:
Just took the test on Edmentum
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.
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%
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)?
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 )
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In the diagram, a force of 20 newtons is applied to a block. The block is in dynamic equilibrium. What is the magnitude and direction of the frictional force?
A. 20 newtons in the direction of the applied force
B. 20 newtons opposite to the direction of the applied force
C. 20 newtons perpendicular to the direction of the applied force
D. 20 newtons in two directions, perpendicular and in the direction of the applied force
E. No friction is acting on the block.
Answer:B 20 newtons opposite to the direction of the applied force
Explanation:
If in the diagram, a force of 20 newtons is applied to a block. The block is in dynamic equilibrium, then the magnitude and direction of the frictional force would be 20 newtons opposite to the direction of the applied force, therefore the correct answer is option B.
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.
As given in the problem In the diagram, a force of 20 newtons is applied to a block. The block is in dynamic equilibrium,
If a force of 20 newtons is applied to a block in the diagram. The frictional force would be 20 newtons in size and would be directed in the opposite direction as the applied force if the block is in dynamic equilibrium, making option B the right response.
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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
Answer:
Box 1 and Box 2 are the same mass It caused both to change speed because they have both the same mass.
Explanation:
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.
Answer:
D is the correct answer
Explanation:
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?
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
A ball is kicked at an angle with negligible air resistance as seen below.
How is the total speed changing at point P?
a) Increasing
b) Not enough information
c) Not changing
d) Decreasing
A ball is kicked at an angle with negligible air resistance as seen below the total speed changing at point P is decreasing.
What is speed?The speed of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity.
An object that is propelled by the application of an external force and then moves freely while being affected by gravity and air resistance is referred to as a projectile. At maximum height speed is zero so at point P it is decreasing.
A ball is kicked at an angle with negligible air resistance as seen below the total speed changing at point P is decreasing.
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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
Describe what you think the author’s purpose was for writing this text and whether they were successful in this purpose. Support your response with specific details from the text
Answer:
Quarks
Explanation:
Quarks, the smallest particles in the universe, are far smaller and operate at much higher energy levels than the protons and neutrons in which they are found.
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
Answer:
B, C
Explanation:
I read ;)
PLS HELP ASAP :(( You observe a car parked on the side of the road. If the car started to move, Which conclusion could you make?
The forces were balanced when the car was parked, but one or more forces changed. The total forces became unbalanced, causing it to move.
The forces were unbalanced when the car was parked. When the car moved, they became balanced.
The forces were balanced when the car was parked. The forces stayed balanced when it moved.
The forces were unbalanced when the car was parked, and two or more forces changed. The forces stayed unbalanced and caused the car to move.
Answer:
A (the first one)
Explanation:
An object is stationary when both forces acting on it are balanced. As soon as the car started moving, the driver had placed extra force on the accelerator and therfore the forces became unbalanced and the car moved
Using the Newton's law of motion to make conclusion about the scenario, the correct option would be ; The forces were balanced when the car was parked, but one or more forces changed. The total forces became unbalanced, causing it to move.
According to Newton's law, it states that a body will continue in a state of uniform motion or rest unless it is acted upon by a force to make it act otherwise "
A parked car is in a state of rest, which means that the net force acting on the car is 0. This denotes that, it is acted upon by a balanced force. The movement of the car denotes that, the force in one direction is higher than the other forces (unbalanced forces) , hence, making the car move in the direction of the greater force.Therefore, the forces were balanced when the car was parked, but one or more forces changed. The total forces became unbalanced, causing it to move.
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Which is a front in which cold air is replacing warm air at the surface?
Btw this is science not physics
A. cold front
B. warm front
C. stationary front
D. occluded front
Answer:
C.stationarty front
Explanation:
This is the one item that POTENTIAL and KINETIC energy have IN COMMON.
(think of the formulas............ SAY IT!)
Question 2 (ID=81813)
A cat leaps from the floor onto the sofa. If the cat has a mass of 2 kg and the acceleration of the leap is 5 m/s2, how much force does the cat apply to the floor when it jumps onto the sofa?
A: 0.4 N Strike Reset
B: 2.5 N Strike Reset
C: 5.0 N Strike Reset
D: 10 N Strike Reset
pls im begging you all i need help
Answer:
The answer is B
Explanation:
5/2=2.5
2.5x2=5
Hope this helps ik its kinda confusing lol
Describe three ways a bicyclist can change velocity.
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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Light travels at a speed of 186,000 miles a second. The distance light travels in a year is:
58,656,950,000,000 miles/year
8,865,690,000,000 miles/year
6,789,000,000 miles/year
5,865,696,000,000 miles/year
Answer:
5,865,696,000,000
Explanation:
31,536,000 seconds in a year. 31,536,000×186,000=5,865,696,000,000
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.
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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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)
Answer:y=mx+b 58+5
Explanation:
Answer:
y=mx+b 58+5
Explanation:
Which portion of the electromagnetic spectrum can the human eye detect? *
Only infrared and ultraviolet wavelengths
Only wavelengths between infrared and ultraviolet
Only wavelengths shorter than ultraviolet
Only wavelengths longer than infrared
Answer:
B. Only wavelengths between infrared and ultraviolet
Explanation:
That is the visible spectrum if you look up a diagram of the light spectrum.
which statement is true for both electromagnetic waves and mechanical waves
Answer: carry ener
Explanation:
A pendulum oscillates 40 times in 4 seconds. Find it's time period and frequency.
Explanation needed!
Don't spam!
[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]
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