1. An asteroid and a comet collide head on. Prior to the collision,the asteroid

Question

1. An asteroid and a comet collide head on. Prior to the collision,the asteroid has a momentum of 100,000kg·m/s rightand the comet has a momentum of 200,000 kg·m/s left. After the collision the asteroidhas a momentum of 800,000kg·m/s right.After the collision, what is the comet's momentum?
kg·m/s

andwhich direction.. North South    East West Up Down Left Right Nodirection because the comet has stopped andwhich direction..

Explanation / Answer

   According to conservation of momentum we have             P1i + P2i = P1f + P2f             ==> P2f = 100000 + 200000 -800000                             = - 500000 kg m /s    Nodirection because the comet has stopped

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