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A 66 KG trampoline artist jumps vertcally upward from the top of a platform with a speed of 5.4 m/.s. A) What is his speed as he lands on the trampoline, 3 m below his jump off point? B) If the trampoline behaves like a spring with spring stiffness constant 6.2×10^4 N/m , how far does he depress it? Any depression of the trampoline from equilibrium is to be taken as a negative distance.

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