Posted by **Shaila** on Tuesday, August 24, 2010 at 12:03am.

A 42kg girl jumps on a trampoline, after stretching to its bottom limit; the trampoline exerts an average upward force on the girl over a diplacement of 0.50m. During the time that the trampoline is pushing her up, se experiences an average acceleration of 65.0m/s^2. Her velocity at the moment that she leaves the trampoline is 9.4m/s[up]

a) What is the average force that the trampoline exerts on the girl?

b) How much high does she bounce?

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