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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A body of mass �=0.1 �� has an initial velocity of 3 ^ i �/�. It collides elastically with another body, B of the mass which has an initial velocity of 5 ^ j �/�. After collision, A moves with a velocity v = 4 ( ^ i + ^ j ) �/�. The energy of B after collision is written as (�/10) �, the value of � is

A body of mass �=0.1 �� has an initial velocity of 3 ^ i �/�. It collides elastically with another body, B of the mass which has an initial velocity of 5 ^ j �/�. After collision, A moves with a velocity v = 4 ( ^ i + ^ j ) �/�. The energy of B after collision is written as (�/10) �, the value of � is

A body of mass �=0.1 �� has an initial velocity of 3 ^ i �/�. It collides elastically with another body A moves with a velocity v = 4 ( ^ i + ^ j ) �/�. The energy of B after collision is written as (�/10) � B of the mass which has an initial velocity of 5 ^ j �/�. After collision the value of � is