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A ball of mass m moving with a constant...

A ball of mass m moving with a constant velocity strikes against a ball of same mass at rest.If e is the co-efficient if restitution what will be the ratio of velocity of two balls after collision?

A

(1-e)/(1+e)

B

(e-1)/(e+1)

C

(1+e)/(1-E)

D

(2+e)/(e-1)

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The correct Answer is:
A
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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
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  17. If m is the mass and E the K.E of a body then its linear momenta is

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  19. The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...

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