Question

A ball is sitting on the top of a table. The ball has 100 J of potential energy (PE). It falls off the table and falls straight down to the ground.

At the instant it reaches the ground, how much kinetic energy (KE) does the ball have?

A.
9.8 J

B.
50 J

C.
100 J

D.
0 J

Answer 1

The correct answer would be C).

Answer 2

At the instant, it just reaches the ground, no energy has been lost as the Friction, so Energy would be same.

In short, Your Answer would be Option C) 100 J

Hope this helps!