Two block of masses 10 kg and 4 kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface. An impluse given a ve
Two block of masses 10 kg and 4 kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface. An impluse given a velocity of 14 m/s to the heavier block in the direction of the leghter block. The velocity of centre of mass is :
A. 30 m/s
B. 20 m/s
C. 10 m/s
D. 5 m/s
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Correct Answer - C
`vec(v)_(COM) = (10 xx 14 + 4 xx 0)/(10 + 4)`
`vec(v)_(COM) = (10 xx 14 + 4 xx 0)/(10 + 4)`
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