A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31m high. When it hits the ground at the base of the cliff, the rock has a speed of 33 m/s. A) Assuming that air resistance can be ignored, find the initial speed of the rock. Answer is 22 m/s B)Find the greatest height of the rock as measured from the base of the cliff.
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31m high. When it hits the ground at the base of the cliff, the rock has a speed of 33 m/s. A) Assuming that air resistance can be ignored, find the initial speed of the rock. Answer is 22 m/s B)Find the greatest height of the rock as measured from the base of the cliff.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 8OQ
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A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31m high. When it hits the ground at the base of the cliff, the rock has a speed of 33 m/s.
A) Assuming that air resistance can be ignored, find the initial speed of the rock. Answer is 22 m/s
B)Find the greatest height of the rock as measured from the base of the cliff.
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