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What is the PE of a mass 400gm with a velocity o(2i+4j) |
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Answer» V = – 3i – J |V| = √{(– 3)2 + (– a)2} = 5 m/s KE = (1/2)mv2 = (1/2) × 0.4 × 52 = 5J please MARK me as the brainlist answer |
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