Question: A ball is projected directly upward from an initial height of 200 ft with an initial velocity of 64 ft per sec. (a) Use the

A ball is projected directly upward from an initial height of 200 ft with an initial velocity of 64 ft per sec.

(a) Use the function s(t) = -16t2 + v0t + s0 to describe the height of the ball in terms of time t.

(b) For what interval of time is the height of the ball greater than 240 ft? Round to the nearest hundredth.

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a Because v 0 64 and s 0 200 and st 16t v 0 t s 0 we have st 16t 2 64t 200 b A... View full answer

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