In Fig. 4-36, a stone is projected at a cliff of height h with an initial speed

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In Fig. 4-36, a stone is projected at a cliff of height h with an initial speed of 42.0 m/s directed at angle θ? = 60.0??above the horizontal. The stone strikes at A 5.50s after launching. Find?

(a) The height h of the cliff,

(b) The speed of the stone just before impact at A, and

(c) The maximum height H reached above the ground.

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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