Question

5. A lift is moving up with acceleration a. A person inside
the lift throws the ball upwards with a velocity u relative
to hand.
(a) What is the time of flight of the ball?
(b) What is the maximum height reached by the ball in the
lift?​

Answer 1

Answer:

Time of flight 2u/g+a

H max u^2/2(g+a)

Explanation:

We will take relative acceleration here that is g+a and simply put it in the formula