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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Two bodies of masses 0.1 kg and 0.4 kg move towards each other with velocities 1 m/s and 0.1 m/s respectively. After collision they stick together. In 10 sec the combined mass travels

Answer: (D)

Solution

By momentum conservation (taking the 0.1 kg's direction as positive): v =

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Question ID VK-154100