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Question
In an elastic collision
Options
the initial kinetic energy is equal to the final kinetic energy
the final kinetic energy is less than the initial kinetic energy
the kinetic energy remains constant
the kinetic energy first increases then decreases.
MCQ
Answer in Brief
Sum
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Solution
the initial kinetic energy is equal to the final kinetic energy
As no energy is lost into heat in an elastic collision, the initial kinetic energy is equal to the final kinetic energy.
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