Two solid rubber balls A and B having masses 200 and 400 gm respectively are moving in opposite directions with velocity of A equal to 0.3 m/s. After collision the two balls come to rest, then the velocity of B is
Text Solution
Verified by ExpertsThe correct answer is:
C
Initial linear momentum of system = 
= 0.2 × 0.3 + 0.4 × v B
Finally, both balls come to rest
∴ ∴ final linear momentum = 0
By the law of conservation of linear momentum
0.2 × 0.3 + 0.4 × v B = 0
∴ ∴ 
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