p A , i = k g ? m / s in an Explosion A giant \"egg\" explodes as part of a fire

Question

  pA,i =   kg?m/s   in an Explosion A giant "egg" explodes as part of a fireworks display. The egg is at rest before the explosion, and after the explosion, it breaks into two pieces, with the masses indicated in the diagram, traveling in opposite directions.(Figure 1) What is the momentum pA,i of piece A before the explosion? Express your answer numerically in kilogram meters per second. During the explosion, is the force of piece A on piece B greater than, less than, or equal to the force of piece B on piece A? The momentum of piece B is measured to be 500 kg?m/s after the explosion. Find the momentum pA,fof piece A after the explosion. Enter your answer numerically in kilogram meters per second.

Explanation / Answer

a)

at rest momentum of piece A is zero

Pa =0 kg-m/s

b)

By Newton

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