On the moon, a feather will fall to the ground at the same rate as a heavy

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On the moon, a feather will fall to the ground at the same rate as a heavy stone. Suppose a feather is dropped from a height of 40 m above the surface of the moon. Then its height s (in meters) above the ground after t seconds is s = 40 - 0.8t2. Determine the velocity and acceleration of the feather the moment it strikes the surface of the moon.

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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