What will be the kinetic energy of a substance when its velocity is doubled?
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K.E. = 1/2 m v^2 where 'K.E.' is the kinetic energy of the body.Momentum is directly proportional to velocity. If the momentum of an object is doubled, but its mass does not increase , then its velocity is doubled. IF momentum of a body is doubled then its kinetic energy becomes 4times it's initial value.
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Kinetic energy depends on the velocity of the object squared. This means that when the velocity of an object doubles, its kinetic energy quadruples
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