Question

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Answer 1

Answer 1.

Potential energy is the energy produced by the position of the body so at point A, the comet has the greatest potential energy because it is at rest. On the other hand, at point E, the comet has the least potential energy because it is not at rest.

Answer 2.

Kinetic energy is the energy that is produced by the motion of a body so at point E, the comet has the greatest kinetic energy because it is moving fast. But at point A, the comet has the least kinetic energy because it is at rest.

Answer 3.

From point B to point D the potential energy is transformed into kinetic energy because the comet is changing from rest to motion.

Answer 4.

From point B to point D the kinetic energy is transformed into potential energy because the comet is changing from motion to rest.

Answer 5.

When the comet is closest to the sun, its total energy is kinetic energy and zero potential energy so total energy is equal to kinetic energy.

Answer 6.

When the comet is farthest sun, its total energy is potential energy and zero kinetic energy so total energy is equal to potential energy.

Answer 2

1. At point A, it's orbit has the greatest potential energy because it is resting. At point E, it's orbit has the least potential energy because that's when the comet is moving the most.

2. At point E, it's orbit has the most kinetic energy because that's when the comet is moving the most. At point A, the comet has the least kinetic energy because the comet is resting.

3. From point B to point D its orbit's potential energy is decreasing and its kinetic energy is increasing meaning it's moving more and more.

4. From point F to point G the comet's orbit's potential energy is increasing and its kinetic energy is decreasing because it's moving less and less.

5. When the comet is closest to the sun, its total energy is released.

6. When the comet is farthest from the sun, its total energy is stored.