Question: Why doesn’t the skater stop moving? Justify your answer.
The skater does not stop moving because when it starts from a height that gives the energy to move to the other side of the high and that hight then gives the energy to go to the other side of the track where it came from, it all repeats leading it to not stop. ( the hill of the track gives it energy to go to the other side of the hill and so on).
Question: If the skater was in the same positions on the right side, would you expect the diagrams and the speed to look the same? Why?
If the skater was in the same position on the right side, I would expect the diagrams and the speed to look the same because it is not the side that matters what matters is the hight. Any where it is all that matters is the same height which would give the same diagrams and the speed to look the same.
Next, using the L shaped ramp.
Question: Describe the transfer of energy and explain WHY the skater has each type of energy.
Next, on the W shaped ramp:
Question: Consider the two low points in the ramp. At which point will the skater have the maximum kinetic energy? Why do you think that is?
Answers: 1
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During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
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The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
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Question: Why doesn’t the skater stop moving? Justify your answer.
The skater does not stop moving...
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