posted by Anonymous .
A 42.0 kg girl jumps on a trampoline. After stretching to its bottom limit, the trampoline exerts an average upward force on the girl over a displacement of 0.50 m. During the time that the trampoline is pushing her up, she experiences an average acceleration of 65 m/s^2. Her velocity at the moment that she leaves the trampoline us 9.4 m/s[up]. How high does she bounce?