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A 1500kg car begins sliding down a 5.0° inclined road with a speed of 30km/hr. The engine is turned off and the only forces acting on the car are a frictional force from the road and the gravitational force. After the car has traveled 50m along the road its speed is 40km/hr. a. (4) How much is the mechanical energy of the car reduced by the frictional force? b. (4) What is the magnitude of the frictional force? while the car travels the 50m distance?

A 1500kg car begins sliding down a 5.0° inclined road with a speed of 30km/hr. The engine is turned off and the only forces acting on the car are a frictional force from the road and the gravitational force. After the car has traveled 50m along the road its speed is 40km/hr. a. (4) How much is the mechanical energy of the car reduced by the frictional force? b. (4) What is the magnitude of the frictional force? while the car travels the 50m distance?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A 1500kg car begins sliding down a 5.0° inclined road with a speed of 30km/hr. The engine is turned off and the only forces acting on the car are a frictional force from the road and the gravitational force. After the car has traveled 50m along the road its speed is 40km/hr. a. (4) How much is the mechanical energy of the car reduced by the frictional force? b. (4) What is the magnitude of the frictional force? c. (4) How much time elapses while the car travels the 50m distance?
Transcribed Image Text:A 1500kg car begins sliding down a 5.0° inclined road with a speed of 30km/hr. The engine is turned off and the only forces acting on the car are a frictional force from the road and the gravitational force. After the car has traveled 50m along the road its speed is 40km/hr. a. (4) How much is the mechanical energy of the car reduced by the frictional force? b. (4) What is the magnitude of the frictional force? c. (4) How much time elapses while the car travels the 50m distance?
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