Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution ‘e’, the final velocity of second ball becomes two times final velocity of the first ball after collision
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a
0.5
b
0.33
c
0.4
d
0.6
answer is B.
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Detailed Solution
here u1=u, u2= 0, v1=v, v2=2v by applying conservation of linear momentum mu=mv+m2v u =3vcoefficient of restitution e=v2-v1u=2v-vu=vu=v3v=13
Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution ‘e’, the final velocity of second ball becomes two times final velocity of the first ball after collision