A 950kg caterpillar engine is lifted to the top of building 50m high by electric motor. Calculate increase in the gravitational potential energy of the sack of the cement.
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465500 J
use the potential formula much then you will get the required answer
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Answer:
Gravitational potent at migh = 950 x 9.8 xCP
= 950x96x5
465500 J
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