(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Hi

I am struggling with this question. It goes like this:

A rubber ball is dropped on to flat ground from a height of 2m.

(a) Calculate how long it takes for the ball to first hit the ground.

(b)The ball loses 10% of its kinetic energy at each bounce. Calculate the time taken for the ball to come to rest.

I am able to solve the first part using equation of motion.

S=UT +0.5aT^2

I am not sure of the second part.

2. Relevant equations

3. The attempt at a solution

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# Bodies with potential energy

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