An object is dropped off a building. Ignoring air resistance, the height above the ground t seconds after being dropped is given by h(t) = -16t2 + 160 feet. (a) Use the limit definition of the derivative to find a rate-of-change equation for the height. h'(t) = feet per second (b) Use the answer to part (a) to determine how rapidly the object is falling after 3 seconds. feet per second

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A: Topic:- calculus

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