Slim Jim, continually maintaining his svelte body, lifts a 7 0 kg barbell 1 . 4 m
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Slim Jim, continually maintaining his svelte body, lifts a kg barbell m above the ground.A How much energy did the barbell have when it was on the ground at rest?B What kind of energy does the barbell have in its current position?C Where did the energy come from?D Calculate the energy it has at its current position.E How much work did Jim do to lift the object?F If he lifted it in seconds, how much power did he use?
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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