When an automobile moves with constant speed down a highway, most of the power developed by the engine is used to compensate for the mechanical energy loss due to frictional forces exertedthe car by the air and the road. If the power developed by the engine is 205 hp, estimate the total friction force acting on the car when it is moving at a speed of 25 m/s. One horsepower equals746 W.Need Help?Read ItACIKYOUR TEACH

When an automobile moves with constant speed down a highway, most of the power developeu Dy the the car by the air and the road. If the power developed by the engine is 205 hp, estimate the total friction force acting on the car when it is moving at a speed of 25 m/s. One horsepow 746 W.

When an automobile moves with constant speed down a highway, most of the power developeu Dy the the car by the air and the road. If the power developed by the engine is 205 hp, estimate the total friction force acting on the car when it is moving at a speed of 25 m/s. One horsepow 746 W.

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

When an automobile moves with constant speed down a highway, most of the power developed by the engine is used to compensate for the mechanical energy loss due to frictional forces exerted
the car by the air and the road. If the power developed by the engine is 205 hp, estimate the total friction force acting on the car when it is moving at a speed of 25 m/s. One horsepower equals
746 W.
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ACIKYOUR TEACH

Expert Solution

Step 1

GIVEN:
A car moving down a highway with a speed of 25m/s and has a 205 horsepower engine.

1hp=746W

TO FIND:
The total friction force F=?

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