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To maintain a constant speed, the force provided by a

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs ISBN: 9781938168000 42

Solution for problem 23PE Chapter 5

College Physics | 1st Edition

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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

College Physics | 1st Edition

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Problem 23PE

 Problem 23PE

To maintain a constant speed, the force provided by a car’s engine must equal the drag force plus the force of friction of the road (the rolling resistance). (a) What are the magnitudes of drag forces at 70 km/h and 100 km/h for a Toyota Camry? (Drag area is 0.70 m2 ) (b) What is the magnitude of drag force at 70 km/h and 100 km/h for a Hummer H2? (Drag area is 2.44 m2 ) Assume all values are accurate to three significant digits.

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David Ajudua Unemployment­ Labor Force is all who is employed or actively seeking work Unemployment­ when a worker is not currently employed or is searching for a job without success Unemployment Rate­ the percentage of the labor force that is unemployed ­We measure the unemployment in the economy by the unemployment rate ­Being unemployed is hard for households and people ­too much...

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Textbook: College Physics
Edition: 1
Author: Paul Peter Urone, Roger Hinrichs
ISBN: 9781938168000

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