A stone is thrown vertically upward with a speed of 18.0 m/s. (a) How fast is it

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A stone is thrown vertically upward with a speed of 18.0 m/s.
(a) How fast is it moving when it reaches a height of 11.0m?
(b) How long is required to reach this height?
(c) Why are there two answers to (b)?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Apr 28, 2010 01:00 AM

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A stone is thrown vertically upward with a speed of 18.0 m/s. (a) How fast is it

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Physics Principles with Applications

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