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## Two objects of masses 100 g and 200 g are moving along the same line and direction with velocities of 2 m s-1 and 1 m s-1, respectively. They collide and after the collision, the first object moves at a velocity of 1.67 m s-1. Determine the velocity of the second object. - Physics Cbse class 11

Asked On2017-07-24 07:40:15 by:milan-ransingh

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Download question setAnswersMass of first object, m

_{1}= 100 g = 0.1 kgMass of second object, m

_{2}= 200 g = 0.2 kgVelocity of first object before collision, v

_{1}= 2 m/sVelocity of second object before collision, v

_{2}= 1 m/sVelocity of first object after collision, v

_{3}= 1.67 m/sVelocity of second object after collision = v

_{4}According to the law of conservation of momentum:

Concept Note:- Total momentum before collision = Total momentum after collisionHence, the velocity of the second object becomes 1.165 m/s after the collision.

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