An object is dropped from a​ tower,
ft above the ground. The​ object's height above ground t sec into the fall is
a. What is the​ object's velocity,​ speed, and acceleration at time​ t?
b. About how long does it take the object to hit the​ ground?
c. What is the​ object's velocity at the moment of​ impact?

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Applications of Derivative

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