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A 1200-kg car is moving east at 30.0 m/s and collides with a 3600-kg truck moving at 20.0 m/s in a direction 60^o north of east. The vehicles interlock and move off together. Find their common velocity.

|A 1200-kg car is moving east at 30.0 m/s and collides with a 3600-kg truck
moving at 20.0 m/s in a direction 60° north of east. The vehicles stick and move off
together. Find their common velocity (magnitude and direction).
For this problem, you only need to include labeled diagrams showing the initial and
final states and the calculation itself.

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