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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

A body of mass m moving with velocity v collides head on with another body of mass 2m which is initially at rest. The ratio of K.E. of colliding body before and after collision will be

(a) 1 : 1 (b) 2 : 1

(c) 4 : 1 (d) 9 : 1

Answer: d

5/5 - (3 votes)

PrevPreviousConsider elastic collision of a particle of mass m moving with a velocity u with another particle of the same mass at rest. After the collision the projectile and the struck particle move in directions making angles θ1 and θ2 respectively with the initial direction of motion. The sum of the angles θ1+θ2, is

NextA particle P moving with speed v undergoes a head -on elastic collision with another particle Q of identical mass but at rest. After the collisionNext

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