A man is instructed to carry a passage from the base camp at b to submit a at a hill at aheigjt of 1200 m. The man weight 800N and the package weights 200N. 1) how much a man does work against gravity?
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work done against gavity= potential energy
work done against gravity=mgh
=(800+200)1200
=1000 x 1200 = 1200000 joules
=1200kilojoules
work done against gravity=mgh
=(800+200)1200
=1000 x 1200 = 1200000 joules
=1200kilojoules
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