Answer:
Heating is the answer
Explanation:
I took the quiz and i know its a late response
Freezing is a way to make magnets from ferromagnetic substance.
What is Curie temperature?Curie point, also known as Curie Temperature, is the temperature at which the magnetic characteristics of some magnetic materials abruptly change. Remnant magnetism manifests in rocks and minerals below the Curie point, which for magnetite, a common magnetic mineral, is approximately 570 °C (1,060 °F).
In some magnetic materials, atoms that act as small magnets spontaneously align themselves below the Curie point, which for iron is 770 °C (1,418 °F). Because the atomic magnets in each microscopic region (domain) of ferromagnetic materials, such as pure iron, are aligned in the same direction, their magnetic fields reinforce one another.
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CLICK HERE FOR THE WEBSITE:
Read the following information provided from the above link. Answer the following questions.
1. Energy forms are either
gravitational, mechanical, and nuclear.
energy comes in forms that are stored including - chemical,
energy forms are doing work - like electrical, heat, light, motion, and sound.
2. Scientists define energy as
for us
is possible because we have learned how to
and then use it to
3. Energy
along the road and boats through the water. It can bake a cake in the oven, keep ice frozen in the freezer, and
our homes.
4. What are the two basic categories of the seven forms of Energy?
5. Define kinetic energy
6. Define potential energy:
7. Create a T-chart to organize the seven types of energy as potential or kinetic. Give an example of each!
Answer:
for the 1st one its mechanical or nuclear. for the 2nd it is the ability to do work for the 4th one it is Potential energy and Kinetic energy. for the 5th one it is the object has motion or moving. for the 6th question it is when the object is still (not in motion) or is to the opposite of when the object is moving
7 forms of energy ive learned are. medical energy, chemical energy, nuclear energy, heat energy, electrical energy, radiant energy and sound energy.
for the third question the answers are is and even
Explanation:
i just do this in my head and my science notebook, i hope this is wright for you.
also were both in middle school so this might be most of the answers
energy forms are either mechanical or nuclear. nuclear energy comes in forms that ... mechanical ...
tell me if its wrong or anything i just started science or physics like 5-6 months ago
If two waves interact in destructive interference, which of the following will be true regarding the new wave formed?
A. The new wave will produce a lower-pitched sound than the two original waves.
B. The new wave will produce a quieter sound than the two original waves.
C. The new wave will produce a higher-pitched sound than the two original waves.
D. The new wave will produce a louder sound than the two original waves.
Help plz
Answer:
b
Explanation:
Give THREE examples of objects that have potential energy
A ball kept on 3rd floor of a building.
A pendulum bob kept at 3m height
A stone thrown vertically upward.
A pressed spring.
A squashed spunge ball.
Scientists have sent an unmanned space vehicle to Mars to investigate the properties of the planet. Mars' gravitational field is 38% the strength of Earth's gravitational field. How will the weight and mass of the vehicle change on Mars?
A) The mass will increase, the weight will increase
B) The mass will decrease, the weight will decrease
C) The mass will remain the same, the weight will decrease
D) The mass will increase, the weight will remain the same
question 1: what happens if our eyes are not focused on your target?
question 2: using what you know about basketball, why is passing often more efficient than dribbling the basketball
Answer:
You can get hit or miss your shot
it makes it harder for the other person to get the ball
Explanation:
Two girls are pulling on opposite ends of a thick rope. Both girls are pulling
on the rope with the same force but in opposite directions. If both girls
continue to pull with the same force, what will MOST likely happen? *
a. One girl will pull the other toward her
b. Both girls will stay in the same place
c. Gravity will cause the rope to sag
d. The rope will break
Answer:
B
Explanation:
It the same amount of force is being used it will cancel each other out.
PLEASE HELP!!
What type of exercise are you completing if you contract your muscles to produce movement?
A. concentric
B. eccentric
C. isometric
D. isotonic
Answer:
A
Explanation:
YAYAYAYAYAYA
1. body composition the amount of calories the body uses when it's at rest
2. isometric exercises the amount of fat compared to non-fat tissue in the body
3. isotonic exercises resistance training that does not involve movement
4. resting metabolic rate a harmful increase in blood pressure when a person holds his breath during resistance training
5. Valsalva Maneuver resistance training that involves movement
Answer:
1. body composition 1
2. isometric exercises 3
3. isotonic exercises 4
4. resting metabolic rate 2
5. Valsalva Maneuver 5
Explanation:
Look at the vocab definitions
Answer:
1. body composition 3 resistance training that involves movement
2. isometric exercises 5 a harmful increase in blood pressure when a person holds his breath during resistance training
3. isotonic exercises 2 resistance training that does not involve movement
4. resting metabolic rate 1 the amount of fat compared to non-fat tissue in the body
5. Valsalva Maneuver 4 the amount of calories the body uses when it's at rest
Explanation:
vocabs match with the term next to it
which is the stronger acid?
A pH 1
B pH 4
C pH 8
D pH 13
Which of the following statements is true regarding the constructive interference diagram shown below? Select all that apply.
A. The amplitude of the wave is increased.
B. During interference, the wave will produce a louder sound.
C. The amplitude of the wave is decreased.
D. The crests of two waves are overlapping.
E. The troughs of the two waves are overlapping.
There is more than one answer. Help plz
The statement i.e. true with respect to the constructive interference diagram should be that the two waves should be overlapped.
What is the constructive interference?At the time when two waves of the same kind of wavelength should be in phase so they created the new wave along with the amplitude that should be equivalent to the sum of the inidvidual amplitudes so this we called as the constructive interference
As per the given diagram, we can say that the crest for two waves that should be overlapped should be considered.
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A simple machine increases __________ to more efficiently use force to do work.
Distance / Displacement
Power
Force
Energy
Please explain your answer.
If an object is travelling faster than its own sound waves, which of the following is created?
A. wave destruction
B. pressure cooker
C. velocity pulse
D. sonic boom
Help plz
Answer:
D
Explanation:
When an object travels faster than the speed of sound, a sonic boom is created. A ring of pressure waves (probably why wave destruction and pressure cooker are options lol) are created, which is why when you see a jet make a sonic boom there looks like a ring shaped cloud behind it. Hope this helps! For further confirmation/information, just look up sonic boom science (or else you will get sonic boom the video game)
1.what is gravity?(in your own words)
2.How does gravity cause the planets to move in a circle around the sun?
Answer:
1.Gravity is an invisible force that pulls objects toward each other
2.The suns gravity pulls the planet towards the sun which changes the straight line of direction into a curve
That keeps the planet moving in an orbit around the sun
hope it helped:)
1. Gravity is an imperceptible force that pulls entities toward each other
2. When The sun's gravity pulls the planet towards.
What is Gravity?
The gravitational attraction of the original gaseous significance present in the Universe forced it to begin coalescing and creating stars and caused the stars to group concurrently into galaxies,
So, gravity is accountable for the consideration of the large-scale structures in the Macrocosm.
When the sun transforms the straight line of movement into a curve That preserves the planet pushing in an orbit almost like the sun.
The gravity pulls the sun and the planets concurrently while controlling them apart. The inertia feeds the tendency to preserve speed and keep pushing.
Nevertheless, the gravitational pull desires to reverse the motion to pull the planets into the core of the sun.
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If the crests of two waves overlap, which of the following will be true regarding the new wave formed?
A. The new wave will produce a lower-pitched sound than the two original waves.
B. The new wave will produce a louder sound than the two original waves.
C. The new wave will produce a quieter sound than the two original waves.
D. The new wave will produce a higher-pitched sound than the two original waves.
Answer:
c
Explanation:
Answer: b
Explanation: Constructive Interference – when waves combine to form a wave with a larger amplitude. They add their energies, so when the crests of two waves overlap, they make a higher crest. If two troughs overlap, they make a deeper trough.
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A block and tackle machine is used to raise 300 kg grand piano a vertical distance of 12.5 m. If the efficiency of the block and tackle machine is 0.80, how much work must the piano movers do in lifting the piano ? a. 45938 J b. 36750 J c. 29400 J d. 4688 J
The amount of work done by the piano mover in lifting the piano 45938 J (Option A)
What is efficiency?This can be defined as the capacity to achieve a given task with little or no waste. Mathematically, it can be expressed as
Efficiency = (output / input) × 100
How to determine the work inputMass (m) = 300 KgDistance (s) = 12.5 mEfficiency = 0.80Acceleration due to gravity (g) = 9.8 m/s²Output = mgs = 300 × 9.8 × 12.5 = 36750 JInput = ?Efficiency = output / input
Input = Output / efficiency
Input = 36750 / 0.8
Input = 45938 J
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Based on Newton’s 3rd Law of motion, if a baseball player hits a ball with the bat, the action force is the impact of the bat against the ball. Explain where the reaction force can be found.
Use the graph to determine the velocity between 6 and 12 seconds.
-2
m/s
What was the velocity over the entire trip?
m/s Also can someone explain how you got the answers?.
Based on Newton’s 3rd Law of motion, if a baseball player hits a ball with the bat, the action force is the impact of the bat against the ball. Explain where the reaction force can be found.
Answer:
the reaction force will be found where the bat hits the ball.
Explanation:
Answer:
reaction force will be found where the bat hits the ball
Explanation:
Can you help me? Thanks! 10+ points!
Explanation:
velocity: average velocity equals Displacement /change in time.
Kinetic energy: K=1/2mv^2 (m = Mass) ( v = Velocity).
speed using the kinetic energy is also KE =1/2mv^2
(M in Kg) (V in m/s)
Will give brainlist!! Please help!!
Instructions: Choose three activities in your everyday life that involve electromagnetic energy, and fill in the required information below.
________________________________________
Electromagnetic Energy Example One
Activity:
Type of electromagnetic energy:
Picture:
Description of use:
Electromagnetic Energy Example Two
Activity:
Type of electromagnetic energy:
Picture:
Description of use:
Electromagnetic Energy Example Three
Activity:
Type of electromagnetic energy:
Picture:
Description of use:
Answer:
microwave, visible light, and radio waves.
Explanation:
Calculate: The net force on a rock with a mass of 2.0kg is 19.6N. What is the acceleration of the rock?
Answer:
the acceleration is 9.8
Explanation: F = mA, 19.6 =2A, A = 9.8 m/s^2
Give three examples of properties of elements
Answer: Atomic number, Atomic Mass, Ionic radius
Explanation:
The three examples of properties of elements are Atomic Number, Melting Point, and Electronegativity are the properties of the element.
Atomic Number: The atomic number of an element is the number of protons found in the nucleus of an atom of that element. Each element has a unique atomic number.
Melting Point: The melting point of an element is the temperature at which it transitions from a solid state to a liquid state. Different elements have different melting points, which can vary widely.
Electronegativity: Electronegativity is a measure of an element's ability to attract electrons toward itself in a chemical bond. It is an important property in determining the nature of chemical bonding and the reactivity of elements. Elements with high electronegativity tend to attract electrons strongly.
Other properties include atomic mass, density, boiling point, reactivity, and many more, which contribute to the diverse behavior and characteristics of elements in the periodic table.
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Determine the displacement and distance covered by a man if he walks 10 m north, turns east and walks 20m, and then turns left and walks 10 m.
Using the formula for work, Match the Force × Distance problems with their correct "Work Performed" answer. The first example has been completed for you.
Force × Distance = Work Performed
10 newtons 6 meters =60 Nm
1. 62 Nm
40 pounds 100 feet
2. 4000ft.-lbs.
2.5 pounds 24 inches
3. 5 ft.-lbs
62 newtons 1 meter
4. 200ft.-lbs.
1 ton 20 feet
5. 40,000 ft.-lbs.
400 pounds 0.5 feet
Describe how noise-cancelling headphones modify the sound waves around the user. Your answer should be three to four sentences in length and contain proper grammar and punctuation.
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The picture below shows an experiment to find out the highest frequencies which students can hear. When the teacher turns the dial the frequency from the loudspeaker increases. the students put their hands down when they can no longer hear the sound.
Some students put their hands up while others have put their hands down. What conclusion can you draw from this observation?
The teacher suspects that some of the students are not giving honest responses, they are keeping their hands up even when they can no longer hear the sound. How could he check if he is right? *
Energy can't be created or destroyed - Law of Conservation of Energy.
If this is true, where does the mechanical energy go when skateboarding? Eventually the skateboarder will slow down and stop if she doesn't add more mechanical energy by pushing. Choose the most correct statement below.
Energy isn't conserved and actually gets used up.
Mechanical Energy converts into potential energy and then she stops.
Mechanical Energy gets converted into thermal energy through friction.
explain your answer
Answer: Mechanical Energy gets converted into thermal energy through friction
Explanation: when the skateboard is rubbing against whatever it’s rolling on it creates friction which slows down the skateboard, the mechanical energy is then converted into thermal energy. If you’ve ever touched the bottom of a wheel after going fast it typically feels a little warm.
Hope this helped
The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reactionary force on the Earth with how much force? Explain your thinking behind this.
Answer:
I don't know.
Explanation:
A campfire could be called.
Answer:
a fire at campsite that provides light and warmth.
What 2 factors is potential energy (PE) dependent upon
Answer:
The mass and gravity.
Explanation:
Depending on how much mass there is in an object, will determine how fast/slow and object moves. This is the same with gravity, if there is a larger slope, there will be more energy, and if there is less there will be less movement.
Answer:
1. the height of the object relative to a reference point
2. its mass
Explanation: