Answer:
According to the web:
1. "In a collision, there is a force on both objects that causes an acceleration of both objects; the forces are equal in magnitude and opposite in direction. For collisions between equal-mass objects, each object experiences the same acceleration."
2. "If object A is in motion, collides with object B at rest, then the system will have some momentum due to motion of object A. Now after collision let us imagine the object becomes at rest, and object B comes to motion. This means the object B has some momentum making the system to have momentum."
Step-by-step explanation:
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