Question: An asteroid coming from the left collides with a moon. Neither feel any external forces. 1. Did the asteroid's momentum change to the left, right,

An asteroid coming from the left collides with a moon. Neither feel any external forces.

1. Did the asteroid's momentum change to the left, right, or stay the same?

2. Did the momentum of the moon change to the left, right, or stay the same?

3. Did the overall momentum of the two body system including both asteroid and moon change to the left, right, or stay the same? (How was the momentum of the center of mass of the two objects affected?

4. Did the total kinetic energy of the two objects rise, fall, or stay the same as a result of the collision?

5. a. If Superman needed to stop the asteroid before it hit the moon, and superman has a mass of 100 kg, how fast would he need to be going before colliding with it from the opposite direction in order to bring its velocity to 0? Assume he sticks to the asteroid. The asteroid is going 1000 m/s and has a mass of 12000kg.

b. this might help you with part a. What must be the TOTAL momentum of the whole two body system (superman and asteroid) both before and after the collision? (hint- same value before and after, and no math is needed here!)

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