Two cars of identical mass collide at an intersection. The red car is moving eas

Question

Two cars of identical mass collide at an intersection. The red car is moving east at 12 m/s. The blue car is moving north at 16 m/s. The 2 cars entangle and move together after the collision. After the collision, the two cars will move in a direction which is: as much northward as eastward, more eastward than northward, or more northward than eastward. If the red car was moving faster than 12 m/s (and the blue car was still moving at 16 m/s), then the direction which the two entangled cars moved after the collision would be: unchanged, in a more eastward direction than in part (a) or in a more northward direction than in part (a).

Explanation / Answer

More eastward then northward, as the momentum is higher in the direction of north.

If the car started moving faster than 12m/s in the eastward direction, the cars would move in a more eastward direction than in (a). This is because the momentum in the east direction increases.

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