A person opens a door by applying a 15-N force perpendicular to it at a distance 0.90

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A person opens a door by applying a 15-N force perpendicular to it at a distance 0.90 m from the hinges. The door is pushed wide open (to 120o) in 2.0 s.
(a) How much work was done?
(b) What was the average power delivered?

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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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Question Posted: Aug 29, 2015 04:44 AM

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A person opens a door by applying a 15-N force perpendicular to it at a distance 0.90

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