Science, asked by gopal6314, 11 months ago

An explosion blows a rock into three parts Two parts go off at right angles to each other. These two are, 1 kg first part moving with a velocity of 12ms−1 and 2 kg second part moving with a velocity of 8ms−1 If the thirds part files off wi a velocity of 4ms−1, its mass would be :

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Answered by hheijshs

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