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A man leaps to his death from atop a 100-meter tall building. If his initial velocity...

A man leaps to his death from atop a 100-meter tall building. If his initial velocity is 5 m/s upward, determine

(a) the time of fall (the total time he spends in the air),
(b) the maximum height that the man reaches above the ground, (c) the velocity of the man just prior to impact and death.

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