One end of a string is tied to the ceiling of an elevator, and the other end

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One end of a string is tied to the ceiling of an elevator, and the other end is tied to a rock (Fig. Q3.20). The elevator is moving in such a way that the tension in the string is zero.

(a) What is the acceleration of the rock?

(b) Explain why you cannot find the velocity of the rock, even though you can find its acceleration.

Figure Q3.20

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College Physics Reasoning and Relationships

ISBN: 978-0840058195

2nd edition

Authors: Nicholas Giordano

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Question Posted: Jan 04, 2019 04:45 AM

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One end of a string is tied to the ceiling of an elevator, and the other end

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a If the tension is zero the only force acting on the rock is the downw...View the full answer

College Physics Reasoning and Relationships

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