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The first ball of mass  moving with a velocity  collides head on with the second ball of mass  at rest. If the coefficient of restitution is ,then the ratio of  the velocities of the first and the second ball after the collision is

a)

b)

c)

d)


Question ID - 100330 | Top Ranker Answer | SaraNextGen

The first ball of mass  moving with a velocity  collides head on with the second ball of mass  at rest. If the coefficient of restitution is ,then the ratio of  the velocities of the first and the second ball after the collision is

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

As the collision is head-on,

or (i)

Further, coefficient of restitution is

Or (ii)

Adding Eqs. (i) and (ii), we get

    (iii)

Now     (iv)

    (v)

     (vi)



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