A wooden block A of mass M is at rest on a frictionless horizontal surface. Another block of mass m, moving with a velocity v strikes the block A and sticks to it. If final velocity of the combined mass is v/3, find M/m.
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a
3
b
2
c
43
d
32
answer is B.
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Detailed Solution
Conserving linear momentum, (M+m)v3=M x 0+m x v⇒Mm=2