A 2000 kg car increases its speed from 2 m/s to 8 m/s in 3s on a rough road, while the engine generates a forward force of 6940 N. The coefficient of kinetic friction of the road is O a. 0.15 O b. 0.2 O c. 0.3 O d. 0.45

A 2000 kg car increases its speed from 2 m/s to 8 m/s in 3s on a rough road, while the engine generates a forward force of 6940 N. The coefficient of kinetic friction of the road is O a. 0.15 O b. 0.2 O c. 0.3 O d. 0.45

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And The Law Of Gravity

Section: Chapter Questions

Problem 32P

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Question

A 2000 kg car increases its speed from 2 m/s to 8 m/s in 3s on a rough road, while the engine generates a
forward force of 6940 N. The coefficient of kinetic friction of the road is
O a. 0.15
O b. 0.2
O c. 0.3
O d. 0.45

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