Question
three bodies are projected from towers of same height . 1st one is projected vertically up with a velocity u . the second one is thrown down vertically with the same velocity and the third one is dropped as a freely falling body. if t1, t2. t3 are the time taken by them to reach the ground then find
a) velocity of projection.
b) height of tower
c) time taken to free fall in the 3rd case.