A 750 kg car is stalled on an icy road during a snowstorm. A 1000 kg car traveling eastbound at 14 m/s collides with the rear of the stalled car. After being hit, the 750 kg car slides on the ice at 4 m/s in a direction 30∘ north of east. What is the magnitude of the velocity of the 1000 kg car after the collision? What is the direction of the velocity of the 1000 kg car after the collision? Calculate the ratio of the kinetic energy of the two cars just after the collision to that just before the collision. (You may ignore the effects of friction during the collision.)
A 750 kg car is stalled on an icy road during a snowstorm. A 1000 kg car traveling eastbound at 14 m/s collides with the rear of the stalled car. After being hit, the 750 kg car slides on the ice at 4 m/s in a direction 30∘ north of east. What is the magnitude of the velocity of the 1000 kg car after the collision? What is the direction of the velocity of the 1000 kg car after the collision? Calculate the ratio of the kinetic energy of the two cars just after the collision to that just before the collision. (You may ignore the effects of friction during the collision.)
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter6: Momentum And Collisions
Section: Chapter Questions
Problem 8WUE: A car of mass 750 kg traveling at a velocity of 27 m/s in the positive x-direction crashes into the...
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A 750 kg car is stalled on an icy road during a snowstorm. A 1000 kg car traveling eastbound at 14 m/s collides with the rear of the stalled car. After being hit, the 750 kg car slides on the ice at 4 m/s in a direction 30∘ north of east.
What is the magnitude of the velocity of the 1000 kg car after the collision?
What is the direction of the velocity of the 1000 kg car after the collision?
Calculate the ratio of the kinetic energy of the two cars just after the collision to that just before the collision. (You may ignore the effects of friction during the collision.)
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