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In ballistics demonstration a police officer fires a bullet of 50g with a speed of 200 m/sec in the soft plywood of a thickness 2cm the bullet emerges with only 10% of its kinetic energy find the loss %in speed |
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Answer» ggihhHhszjxuuzuzjshsv H ghxsjbsh jzusjjzjhzhzhxhxhdhduxhxgagvwvzb hxhxfhhddvdvdbsbdbshdh |
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