A 25.0-kg child plays on a swing having support ropes that are 2.20 m long. Her brother

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A 25.0-kg child plays on a swing having support ropes that are 2.20 m long. Her brother pulls her back until the ropes are 42.0° from the vertical and releases her from rest.

(a) What is her potential energy just as she is released, compared with the potential energy at the bottom of the swing’s motion?

(b) How fast will she be moving at the bottom?

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University Physics with Modern Physics

ISBN: 978-0133977981

14th edition

Authors: Hugh D. Young, Roger A. Freedman

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Question Posted: Oct 11, 2018 12:01 PM

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A 25.0-kg child plays on a swing having support ropes that are 2.20 m long. Her brother

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IDENTIFY The childs energy is transformed from gravitational potential energ...View the full answer

University Physics with Modern Physics

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