9. The velocity of bullet is reduce...
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9. The velocity of bullet is reduced from 200 m/s to 100 m/s while travelling through a wooden block of thickness of 10 cm. The retardation assuming to be uniform, will be: (1) 15 x 104 m/s2 (2) 13.5 x 104 m/s2 (3) 12 x 104 m/s2 (4) None of these

NEET/Medical Exams
Physics
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Here, initial veloaty? 200 m) S (-) signdenotes retardation.
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