An object of mass 20kg is released from a height of 10m above the ground level. The kinetic energy of the object just before it hits the ground is
-
A.
200J -
B.
4000J -
C.
2000J -
D.
500J
Correct Answer: Option C
Explanation
Kinetic Energy = mgh
= 20 x 10 x 10 J
= 2000J
There is an explanation video available below.