An object of mass 4kg is dropped from a height 20 m. It reaches the ground with

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An object of mass 4kg is dropped from a height 20 m. It reaches the ground with speed 16 m/s. Work done on the body by air friction is : (g = 10 m/s²)

(1) 288 J

(2) –288 J

(3) 312 J

(4) –312 J

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Smith and Roberson Business Law

ISBN: 978-0538473637

15th Edition

Authors: Richard A. Mann, Barry S. Roberts

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Posted Date: Oct 23, 2023 03:14 AM

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An object of mass 4kg is dropped from a height 20 m. It reaches the ground with

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