A stone of mass 2 kg is falling from rest from top of steep hill . What is its kinetic energy ?
g =10 m/s
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What is the height of the hill
Let the height be x cm
Kinetic energy = potential energy
Potential energy =m×g×h=2×10×x=20x J
Let the height be x cm
Kinetic energy = potential energy
Potential energy =m×g×h=2×10×x=20x J
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