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A boy weighing 50 kg climbs up a vertical height of 100 m. Calculate the amount of work done by him. How much potential energy he gains? (Given =9. 8 m/s2 |
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Answer» :Potential ENERGY = mass × acceleration DUE to GRAVITY × height .Given :mass = 50 kgacceleration due to gravity = 9.8 m/s^2height = 100 mPotential energy = m g h = 50 kg × 9.8 m/s² × 100 m = 490 J × 100 = 49,000 JAnswer :The potential energy WOULD be 49,000 JThe total work done will also be 49,000 J |
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