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

A child on a trampoline remains in the air for 1.5s after having jumped straight up. What height did the child reach?

2. Relevant equations

All kinematics equations

I was thinking of using Net Force but we don't have the mass and if you use it how could you find displacement.

3. The attempt at a solution

d = v_{i}t + 1/2at^{2}

v_{i}= 0

So:

d= 1/2at^{2}

d = 1/2(9.81m/s^{2})(1.5s)^{2}

d= 11m

The answer is suppose to be 2.8m

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# Homework Help: Simple Kinematics Question

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