a). A boy kicks a rock off a cliff with a speed of 17.8 m/s at an

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a). A boy kicks a rock off a cliff with a speed of 17.8 m/s at an angle of 55.3 above the horizontal. The rock hits the ground 5.72 s after it was kicked. How high is the cliff?

b) What is the speed of the rock right before it hits the ground?

c) What is the maximum height of the rock in the air, measured from the top of the cliff?

Related Book For answer-question

University Physics with Modern Physics

ISBN: 978-0133977981

14th edition

Authors: Hugh D. Young, Roger A. Freedman

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Posted Date: Apr 28, 2024 02:09 PM

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a). A boy kicks a rock off a cliff with a speed of 17.8 m/s at an

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Expert Answer:

a To find the height of the cliff we can use the following kinematic equation for vertical motion wi... View the full answer

University Physics with Modern Physics

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