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Two bodies move towards each other and collide inelastically. The velocity of the first body before impact is 2m/s and of the second is 4m/sec. The common velocity after collision is 1m/s in the direction of the first body. By how many times did the K.E. of the first body exceed that of the second body before collision?

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The correct Answer is:
`1.25`
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AAKASH SERIES-COLLISIONS -NUMERICAL EXERCISE ( LEVEL 2)
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  10. Two identical spheres are placed at two diametrically opposite points ...

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  13. A particle of mass m having collided a stationary particle of mass M d...

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  14. Three identical discs, A, B and C rest on a smooth horizontal plane as...

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  16. Ball B, of mass mg, is suspended from a string of length /attatched to...

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  17. A mass m moves with a velocity .y. and collides inelastically with ano...

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  18. Two blocks A and B of mass m and 2m respectively are connected by a sp...

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  19. A ball moving with a velocity v strikes a wall moving towards the ball...

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