a body having mass 2kg is lifted up to a height of 3 m . find the gravitional potential energy of the body [g=10m/g 2]
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Answer: Masss= m = 2 kg; height = h= 20 m; g= 10 m/s2 (assumption, acceleration due to gravity); Potential Energy = mgh = 12*20*10 = 2400 Joules.
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