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JEE Mains 03-Sep-2020 Shift 2 Solved Paper

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Question : 10

Total: 75

A block of mass 1.9 kg is at rest at the edge of a table, of height 1m . A bullet of mass 0.1 kg collides with the block and sticks to it. If the velocity of the bullet is 20 m∕s in the horizontal direction just before the collision then the kinetic energy just before the combined system strikes the floor, is [Take g=10 m∕s2 . Assume there is no rotational motion and loss of energy after the collision is negligable.]

21 J
23 J
19 J
20 J

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