object of mass 40 kg is raised to a height of 5 metre above the ground what is its potential energy if the object is allowed to fall find its kinetic energy
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Potential Energy at 5 metre above the ground=M×g×h=40×10×5=2000J( g=10m/s^2)
Kinetic Energy at Fall=2000J
Explanation:
POTENTIAL ENERGY WILL BE 0 at Fall
Kinetic Energy Will be equal to 2000J (Law of conservation of Energy)
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