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Two blocks of masses 10 kg and 4 kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface. An impulse give a velocity of 14 m/s to the heavier block in the direction of lighter block. The velocity of centre of mass is
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Correct option is C
vcom=m1v1+m2v2m1+m2=10×14+014=10m/sSimilar Questions
If fig four identical spheres of equal mass m are
suspended by wires of equal length /, so that all spheres are almost touching to each other. If the sphere 1 is released from the horizontal position and
all collisions are elastic, the velocity of sphere 4 iust after collision is
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