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how much is the mass of a man if he has to do 2500 joules of work in climbing a tree 5m tall? (g=10m s^-2 |
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Answer» Mass=50kgExplanation:We KNOW WORK done = mass*acceleration DUE to gravity*HEIGHT w =m*g*h Given, g=10m/s² w= 2500joule h=5m ∴ m= w/g*h=2500/10*5=50kg |
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