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In elastic collision, 100% energy transfer takes place when ___________

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In elastic collision, 100% energy transfer takes place when ___________

(a) m1=2m2

(b) m1 is greater than m2

(c) m1 is lesser than m2

(d) m1=m2

I have been asked this question by my school principal while I was bunking the class.

This is a very interesting question from Energy in division Kinematics of Engineering Physics I

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The correct answer is (d) m1=m2

The explanation: During elastic collision between two equal masses, the velocities get exchanged. Hence energy transfer is maximum when m1=m2.

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