Mastering Physics Solutions: Momentum in an Explosion

Momentum in an Explosion

Part A = 0
Part B = equal to
Part C = 500 kg·m/s

Solution Below:


Part A


The problem tells us the egg is at rest before the explosion, so the momentum must be zero.


Part B


Remember that every action produces an equal and opposite reaction. So the two forces must be equal to each other.

equal to

Part C

The momentum of piece B is measured to be 500 kg·m/s after the explosion. Find the momentum PA,f of piece A after the explosion.

Every action produces an equal and opposite reaction. Therefore, the momentums are equal. Piece A will be moving faster, since it has less mass, and piece B will be moving slower, since it has greater mass, but the momentums will be the same.

500 kg·m/s

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