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The driver of a 1600-kg jeep slams on the brakes, causing the jeep to slide to...

The driver of a 1600-kg jeep slams on the brakes, causing the jeep to slide to a stop 20 meters along an inclined roadway. The coefficient of friction between the tires and the surface of the road is 0.3, and the road is inclined at an angle of θ = 15o . (5 pts each)

a. Using the above sketch, draw a complete FBD to indicate all forces acting on the jeep. Include coordinate axes.

b. What is the magnitude of the friction force?

c. What is the work done by the friction force?

d. Using the Law of Conservation of Energy (not Newton’s 2nd Law or the Work-Energy Principle), what is the initial velocity of the car when the brakes are first applied?

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