A 2200 kg car moving east at 100 ms collides with a 3000 kg, Ask an Expert

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A 2200 kg car moving east at 10.0 m/s collides with a 3000 kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 39.0° north of east and at a speed of 5.44 m/s. Find the speed of the 3000 kg car before the collision.

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