ch work (úin Joules) is done in lifting a 2.5 kg dictionary from the floor onto a shelf 1.9 m high? b) By how much did the potential energy of the book increase during this process? PC c) How much kinetic energy would the book have if it fell off the shelf back onto the floor? d) How long would it take a 0.10 hp motor to lift the book from the floor to the shelf? 1.qm high P 4.152.

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A: Required : Work done, Power.

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A:

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A:

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A:

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A: Mass = m = 53 kg Distance = d = 2.7 m Work done by person = W = ?

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A: Given, Mass, m = 1120 kg Speed, v = 88 km/h = 88×518=24.44 m/s

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A: Here, we ue work and energy theorum and Newton's second law to get the required.

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A: Let FN denotes the work done by the normal force and d denotes the displacement of the block along…

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