1 Rotational Motion
Two blocks of masses 10 kg an 4 kg are connected by a spring of negligible mass and placedon a frictionless horizontal surface. An impulse gives velocity of 14 m/s to the heavier block inthe direction of the lighter block. The velocity of the centre of mass is 1) 30 m/s 2) 20 m/s 3) 10 m/s 4) 5 m/s
SOLUTION : From the formula for centre of mass
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