A man carries a load of 50 kg to a height of 40 m in 25 s. if the power of the man is 1568 W,the mass of the man is
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power =work done /time
1568w=m×g×h÷t
1568w=m×9•8×40÷25
1568w=m×15•68
1568/15•68=m
1568/1568×100=m
100 kg=m
1568w=m×g×h÷t
1568w=m×9•8×40÷25
1568w=m×15•68
1568/15•68=m
1568/1568×100=m
100 kg=m
jishan9:
i think its correct
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