Question

A ball is dropped from the top of a building.

When does the ball have the least kinetic energy?


just after it is released

half way through the fall

after it has hit the ground

just before it hits the ground

Answer 1

Pretty sure its the third one.

Answer 2

Answer:

The answer is C. After it has hit the ground.

Explanation:

The ball would have the least kinetic energy when it has already hit the ground. The ball is no longer in motion once it's hit the ground. Kinetic energy is when the particles of an object are in motion. Therefore, kinetic energy is at its lowest when an object is not in motion.

Here is a lab I recommend using to answer questions similar to this one:

https://phet.colorado.edu/sims/html/energy-skate-park/latest/energy-skate-park_en.html

(I know this is a bit of a late answer, but I hope it still helps!)