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An explosion breaks a rock into three p...

An 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 1 kg moves with a speed of `12 ms^(-1)` and the second part of mass 2 kg moves with `8 ms^(-1)` speed. If the third part flies off with `4ms^(-1)` speed, then its mass is

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An 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 1 kg moves with a speed of 12 m/s the second part of mass 2kg moves with a speed of 8 m/s and the third aprt flies off with a speed of 4 m/s calculate the mass of third part

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 12 ms^(-1) and 2 kg second part moving with a velocity of 8 ms^(-1) . If the third part flies off with a velocity of 4 ms^(-1) . Its mass would be

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