A-LevelPhysicsDynamics9702/12 · Oct/Nov 2017 · Q91 Mark
A slow vehicle and a fast vehicle travel towards each other in a straight line and then collide. Which outcome is never possible, regardless of the masses of the vehicles?
ABoth vehicles stop.
BOnly one vehicle stops.
CThe fast vehicle's speed increases.
DThe slow vehicle's speed increases.
✓ Correct answer
C: The fast vehicle's speed increases.
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