A 3,500kg pickup truck is traveling eastward at a velocity of 15.0m/s when it collided into the rear of a 2,100kg car which is moving eastward at 9.00m/s. If the truck’s velocity decreased to 8.00m/s after the impact, what is the velocity of the car just after the collision?

A 3,500kg pickup truck is traveling eastward at a velocity of 15.0m/s when it collided into the rear of a 2,100kg car which is moving eastward at 9.00m/s. If the truck’s velocity decreased to 8.00m/s after the impact, what is the velocity of the car just after the collision?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section9.2: Conservation Of Momentum

Problem 28PP

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

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