A bolt of mass 0.3 kg falls from the ceiling of an elevator moving down with an uniform speed of 7 ms^(-1). It hits the floor of the elevator (length of the elevator = 3m) and does not rebound. What is the heat produced by the impact? Would your answer be different if the elevator were stationary?

A bolt of mass 0.3 kg falls from the ceiling of an elevator moving dow

1.	A bolt of mass 0.3 kg falls from the ceiling of an elevator moving down with an uniform speed of 7 ms^(-1). It hits the floor of the elevator (length of the elevator = 3m) and does not rebound. What is the heat produced by the impact? Would your answer be different if the elevator were stationary?
Answer» SOLUTION :`=8.82 J` for both CASES.