Question

A rock of mass 200kg is dropped from a height of 80m. What is the potential energy and kinetic energy after
0 seconds
2 seconds
4 seconds
Just before it hits the ground.

Answer 1

Answer:

in 0 seconds p- it postion is going downwards and coditions of the surface become cool k-it postion is going downward

in 2 seconds p-it postion is going downwards and coditions of the surface become heat and k- it postion is going downward

in 4 seconds p-it postion is going downwards and coditions of the surface become cool and k- it now to fro motion