A object with 100 newton weight raised to a height of 15 m . find potential energy and also find the new potential energy . If the same object raised half of its original height , If the same object is raised 3 times of its original height .
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Potential energy = mgh = 100*15 = 1500
new PE = mgh/2 = 700
new PE2 = mg3h = 4500
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