Question: 1) An explosion blows a rock into three parts. Two pieces gooff at right angles to each other, a 4.0-kg piece at 2m/sec and a6.0-kg

1) An explosion blows a rock into three parts. Two pieces gooff at right angles to each other, a 4.0-kg piece at 2m/sec and a6.0-kg piece at 1 m/sec. The third piece flies off at 20 m/sec.
a) Draw a diagram to show the direction into which the piecesfly.

b) Find the mass of the third piece.

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