A rock is dropped off the side of a bridge and hits the water below 2 s

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A rock is dropped off the side of a bridge and hits the water below 2 s later.
(a) What was the rock’s velocity when it hit the water?
(b) What was the rock’s average velocity as it fell?
(c) What is the height of the bridge above the water?

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Inquiry into Physics

ISBN: 978-1305959422

8th edition

Authors: Vern J. Ostdiek, Donald J. Bord

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