Glider A and glider B are on a frictionless track. Glider A moves to the right a

Question

Glider A and glider B are on a frictionless track. Glider A moves to the right and collides with glider B, which is nailed to the track. Glider A bounces off Glider B and moves in the opposite direction. Is momentum conserved in this collision? Explain your reasoning.

Glider A and glider B are on a frictionless track. Glider A moves to the right and collides with glider B, which is nailed to the track. Glider A bounces off Glider B and moves in the opposite direction. Is momentum conserved in this collision? Explain your reasoning.

Explanation / Answer

No friction No loss of energy

And in the bounce on the system no external force is applied

so momentum is conserved

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