Calculate the work done in lifting a 0.5kg book from the ground and keeping it on a shelf 1.5m high
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Calculate the work done in lifting a 0.5kg book from the ground and keeping it on a shelf 1.5m high

[From: ] [author: ] [Date: 11-12-24] [Hit: ]
75g joules. (take g = 9.......
work = change in potential energy = mgh = (0.5)(9.8)(1.5) = 7.35 joules

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Initial potential energy of bok at ground = 0

Potential energy at 1.5 m height = mgh = 0.5*1.5*g ; (g = gravitational const)

Work done = Change in energy = 0.75g joules. (take g = 9.8m/s2 or 10 )

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no you
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