A BMW of mass 2.0 103 kg is traveling at 42 m/s. It approaches a 1.0

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A BMW of mass 2.0 × 103 kg is traveling at 42 m/s. It approaches a 1.0 × 103 kg Volkswagen going 25 m/s in the same direction and strikes it in the rear. Neither driver applies the brakes. Neglect the relatively small frictional forces on the cars due to the road and due to air resistance.
(a) If the collision slows the BMW down to 33 m/s, what is the speed of the VW after the collision?
(b) During the collision, which car exerts a larger force on the other, or are the forces equal in magnitude? Explain.
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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