Physics, asked by manojkrsingh8313, 10 months ago

n explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other . The first part of mass 1kg moves with a speed of 12m/s and the second part of mass 2kg moves with 8m/s. If the third part flies off with 4m/s the speed , then its mass is

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Answered by vemulachandu2

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