A car with a mass of 2000 kg is initially traveling due east with a speed of 20.0 m/s when a dog darts out in front of the car. The driver slams on the brakes and swerves so that she misses the dog. If she was traveling at a speed of 15.0 m/s in the direction 30.0° north of east after she swerved, what was the magnitude of the change in momentum of the car?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter10: Systems Of Particles And Conservation Of Momentum
Section: Chapter Questions
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A car with a mass of 2000 kg is initially traveling due east with a speed of 20.0 m/s when a dog darts out in front of the car. The driver slams on the brakes and swerves so that she misses the dog. If she was traveling at a speed of 15.0 m/s in the direction 30.0° north of east after she swerved, what was the magnitude of the change in momentum of the car?

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