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A 1300 kg aircraft going 35 m/s collides with a 1500 kg aircraft that is parked...

A 1300 kg aircraft going 35 m/s collides with a 1500 kg aircraft that is parked and they stick together after the collision and are going 16.3 m/s after the collision. If they skid for 14.3 seconds before stopping, how far did they skid? Hint: Are the aircraft moving at a constant velocity after the collision or do they experience an acceleration?

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