problem02_78 solution

University Physics with Modern Physics with Mastering Physics (11th Edition)

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2.78: The elevators to the observation deck of the Sears Tower in Chicago move from the ground floor to the 103 rd floor observation deck in about 70 s. Estimating a single floor to be about 3.5 m (11.5 ft), the average speed of the elevator is
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Unformatted text preview: ( 29 ( 29 . s m 15 . 5 s 70 m 5 . 3 103 = Estimating that the elevator must come to rest in the space of one floor, the acceleration is about ( 29 ( 29 . s m 80 . 3 2 m 5 . 3 2 s m 15 . 5 2 2-=-...
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This document was uploaded on 02/04/2008.

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