Based on the graph/ model below: 1. sketch the motion diagram that starts from rest at the location shown below. 2. sketch a graph for the change in gravitational potential energy vs. x- position 3. sketch a kinetic energy vs x position graph. how does it compare to the graph drawn in #2.
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Based on the graph/ model below:
1. sketch the motion diagram that starts from rest at the location shown below.
2. sketch a graph for the change in gravitational potential energy vs. x- position
3. sketch a kinetic energy vs x position graph. how does it compare to the graph drawn in #2.
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- 45.) Which of the following would describe gravitational potential energy? a. a book sitting on a shelf b. a rubber band stretched in an upward direction c. an apple sitting on the countera. Gravitational potential energy and mechanical energy Ob. Potential energy and mechanical energy c. Gravitational potential energy and kinetic energy Od. Potential energy and kinetic energy Clear my choice When a stone is dropped from a bridge to a river below, what happens to the gravitational potential energy halfway down? f 2 Select one: O a. The stone has half the amount of gravitational potential energy and double the amount of kinetic energy. O b. The stone has half the amount of gravitational potential energy and half of it has been converted to kinetic energy. O C. The stone gains momentum, and its potential energy decreases and its kinetic energy increases. O d. The stone gains momentum, and its potential energy decreases. Jamie pulls an elastic band that has a spring constant of 45 N/m, producing a 3.0 J increase in potential energy. How far did Jamie hp1. sketch a motion diagram of the skater that starts from rest at the location shown 2. sketch a graph for the change in the gravitational potential energy vs x- postion 3. sketch a kinetic energy vs x position graph, how does it compare to the graph shoen in #2
- At its maximum speed, a 4 kg sloth can climb a height of 6 m in 2 minutes. A. What is the primary energy transformation that is taking place? B. What is the force required for the sloth to climb at a constant speed? C. How much work does this sloth do climbing the tree? D. How much does the potential energy increase?A camera weighing 15 N falls from a small drone hovering 35 m overhead and enters free fall. What is the gravitational potential energy change of the camera from the drone to the ground if you take a reference point of a. the ground being zero gravitational potential energy? APE b. The drone being zero gravitational potential energy? APE What is the gravitational potential energy of the camera (with the reference point of zero gravitational potential energy taken to be a second person looking out of a building 30 m from the ground) c. before it falls from the drone? PE=| d. after the camera lands on the ground? PE Submit QuestionWhat is absolute zero? What is kinetic energy and potential energy? Give examples. You have a ball in your hand above the ground at rest which you then drop. What energy is involved in each part of this situation and how do we know that total mechanical energy has been conserved? Explain with and without air resistance present. A boulder and a pebble are sitting on a cliff, which has greater gravitational potential energy and why? A cheetah and a person are racing, both has the same mass, which has a greater kinetic energy and why? What is temperature? How does an objects temperature relate to motion of the molecules? What is heat? Describe thermal expansion/contraction. When temperature rises, which one occurs? I have a 2kg ball on a cliff 10m high. If the gravitational acceleration on this planet is 4m/s2, what is the GPE of the ball? A 2kg ball is rolled at 3m/s. What is the KE of the ball? What is work? And what are the units for work? How does this…