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A weightlifter is lifting weights of mas...

A weightlifter is lifting weights of mass 200 kg up to a height of 2 metres. If `g = 9.8 m s^(-2)`, calculate : (a) potential energy acquired by the weights.
(b) work done by the weightlifter.

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The correct Answer is:
(a) 3920 J (b) 3920 J
NA
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
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