A car of mass 2000kg is lifted up at a distance of 30m by a crane in 2min. What is the power supplied by crane? (g_9.8m/s'2
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given mass 2000kg , height 30m time 2min
potential energy=mgh
2000×9.8×30
=588000 watt
potential energy=mgh
2000×9.8×30
=588000 watt
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