Task id9502

Task id9502

As a result of the explosion, the stone scatters into three parts. Two pieces fly at right angles to each other: a piece with mass m1 = 1 kg - with a speed v1 = 12 m/s, a piece with mass m2 = 2 kg - with a speed v2 = 8 m/s. The third piece flies off with a speed v3 = 40 m/s. What is its mass and in what direction is it flying?

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