A moving particle of mass m , makes a head on elastic collision with another particle of mass 2 m , which is initially at rest. The percentage loss in energy of the colliding particle on collision, is

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A moving particle of mass m , makes a head on elastic collision with another particle of mass 2 m , which is initially at rest. The percentage loss in energy of the colliding particle on collision, is close to

TestHub · Accepted Answer

Fractional decrease in kinetic energy of mass m ​ = 1 − ( m 2 ​ + m 1 ​ m 2 ​ − m 1 ​ ​ ) 2 = 1 − ( 2 + 1 2 − 1 ​ ) 2 = 1 − ( 3 1 ​ ) 2 = 1 − 9 1 ​ = 9 8 ​ ​

Physics - Center of Mass Question with Solution | TestHub

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