A bolt is dropped from a bridge under construction, falling 90 m to the valley below the

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A bolt is dropped from a bridge under construction, falling 90 m to the valley below the bridge.

(a) In how much time does it pass through the last 20% of its fall? What is its speed?

(b) When it begins that last 20% of its fall and

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 27, 2011 12:27 AM

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A bolt is dropped from a bridge under construction, falling 90 m to the valley below the

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The full extent of the bolts fall is given by y y gt where y y 90 m if upwards is c...View the full answer

Fundamentals of Physics

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