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rupali
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on selling 250 apples , a man loses the selling price of 10 apples . find the loss % . had he purchased them for rs 650 , what
2 answers
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a man travelled a distance of 22 km in 1 hour, partly in a car at a speed of 30 km/hour and partly on a motorcycle at 18 km/hour
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2.Given :potential energy=40J,h=10m Potential Energy =mgh since, m=gh/P.E.=10*10/40J =20/40J =0.5kg
1.Given :h=2m,m=5kg potential energy=mgh=5×10×2=100 J
