A 500-kg car traveling east at 30.0 m/s collides with an 800-kg truck traveling north at 20.0 m/s at an intersection. The vehicles stuck together after the collision. The coefficient of sliding friction between both vehicles and the road is two 0.300. Assume that the collision takes place on a level road. 1. Which of the following statements is FALSE? The kinetic energy of the system is not conserved during the collision. The friction between the vehicles and the road affects the motion of the vehicles after collision. The momentum of the car after the collision is equal to the vector sum of the momentum of the car before the collision and impulse exerted by the truck to the car during the collision. The final speed of the combined mass after the collision is equal to the sum of the initial speeds of the car and the truck.

A 500-kg car traveling east at 30.0 m/s collides with an 800-kg truck traveling north at 20.0 m/s at an intersection. The vehicles stuck together after the collision. The coefficient of sliding friction between both vehicles and the road is two 0.300. Assume that the collision takes place on a level road. 1. Which of the following statements is FALSE? The kinetic energy of the system is not conserved during the collision. The friction between the vehicles and the road affects the motion of the vehicles after collision. The momentum of the car after the collision is equal to the vector sum of the momentum of the car before the collision and impulse exerted by the truck to the car during the collision. The final speed of the combined mass after the collision is equal to the sum of the initial speeds of the car and the truck.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A 500-kg car traveling east at 30.0 m/s collides with an 800-kg truck traveling north at 20.0 m/s at an intersection. The
two vehicles stuck together after the collision. The coefficient of sliding friction between both vehicles and the road is
0.300.
Assume that the collision takes place on a level road.
1. Which of the following statements is FALSE?
The kinetic energy of the system is not conserved during the collision.
The friction between the vehicles and the road affects the motion of the vehicles after collision.
The momentum of the car after the collision is equal to the vector sum of the momentum of the car before the collision and impulse exerted by the truck to the car during the collision.
The final speed of the combined mass after the collision is equal to the sum of the initial speeds of the car and the truck.
3. Which of the following best approximates the magnitude of the IMPULSE EXERTED BY THE CAR TO THE TRUCK during
the collision?

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