A heavy ball moving with speed v collides with a tiny ball at rest. The collision is elastic, then immediately after the impact, the second ball will move with a speed approximately equal to
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a
v
b
2v
c
v2
d
v3
answer is B.
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Detailed Solution
v2 =(m2−m1m1+m2)u2+(2m1m1+m2)u1Submitting m2≈0 and u2=0 we get , V2≈2v