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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A bullet of mass hits a target of mass hanging by a string and gets embedded in it. If the block rises to a height as a result of this collision, the velocity of the bullet before collision is

Answer: (C)

Solution

After embedding, speed of (block+bullet) just after collision: (from the subsequent pendulum rise). Momentum

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Question ID VK-158646