An apple of mass 5 kg is fallen from the tree with a speed of 10 m/s. How much is the kinetic energy?
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Mass of apple = 5 kg
Speed of the falling apple = 10m/s
Kinetic energy = 1/2 mv²
= 1/2 × 5 × (10)²
= 1/2 × 5 × 10 × 10
=250 Joules
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