If the distance s, in feet, that a body falls in t seconds is given by the
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If the distance s, in feet, that a body falls in t seconds is given by the formula s = 16t2, calculate the following:
(a) The average speed of the body during the first 5 seconds of fall.
(b) The average speed during the fifth second of fall.
(c) The instantaneous speed at the end of the fifth second of fall.
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a t 1 0 t 2 5 hence s 2 s 1 t 2 t 1 80 ftsec b t 1 4 t 5 5 ...View the full answer
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