a body of mass 1 kg drops from the top of the tower of height 50m, what will be it's kinetic energy 10 m below the top?
Answers
Answered by
6
Answer:
Assuming that there is no air resistance (no heat energy produced) then the loss in gravitational potential energy (mgh) equals the gain in kinetic energy.
The kinetic energy at the top is zero (as there is no motion).
So, kinetic energy after falling 10 metres = m g h
= 1 x 9.81 x 10
= 98.1 J
In practice, there will be air resistance so the kinetic energy will be less than this answer.
Similar questions