A helicopter is rising at a rate of 32 feet per second. At a height of 128

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A helicopter is rising at a rate of 32 feet per second. At a height of 128 feet the pilot drops a pair of binoculars. After t seconds, the binoculars have height s(t) = -16t2 + 32t + 128 feet from the ground. How fast will they be falling when they hit the ground?

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Calculus And Its Applications

ISBN: 9780134437774

14th Edition

Authors: Larry Goldstein, David Lay, David Schneider, Nakhle Asmar

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