26. A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and sticks to it. The fractional loss in K.E. is (1) 1/2 (2) 1/3 (3) 1/4 (4) 2/3
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26. A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and sticks to it. The fractional loss in K.E. is (1) 1/2 (2) 1/3 (3) 1/4 (4) 2/3
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Explanation:
fractional loss in kinetic energy is 2/3