5-3 Suppose a car travels 108 km at a speed of 25.0 m/s, and uses 2.20 gallons of gasoline. Only 30% of the gasoline goes into useful work by the force that keeps the car moving at constant speed despite friction.(The energy content of gasoline is 1.30 x 108 J per gallon.)(a) What is the force (in N) exerted to keep the car moving at constant speed? (Enter a number.)N(b) If the required force is directly proportional to speed, how many gallons will be used to drive 108 km at a speed of 28.0 m/s? (Enter a number.)gallons

Name: 5-3 Suppose a car travels 108 km at a speed of 25.0 m/s, and uses 2.20
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Description: 5-3 Suppose a car travels 108 km at a speed of 25.0 m/s, and uses 2.20 gallons of gasoline. Only 30% of the gasoline goes into useful work by the force that keeps the car moving at constant speed despite friction.(The energy content of gasoline is 1.

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2.20 gallons or gasome. Only e energy content of gasoline is 1.30 x 108 ) per gallon.) What is the force (in N) exerted to keep the car moving at constant speed? (Enter a number.) N some goes into If the required force is directly proportional to speed, how many gallons will be used to drive 108 km at a speed of 28.0 m/s? (Enter a number.) gallons moving constant speed despice mic

2.20 gallons or gasome. Only e energy content of gasoline is 1.30 x 108 ) per gallon.) What is the force (in N) exerted to keep the car moving at constant speed? (Enter a number.) N some goes into If the required force is directly proportional to speed, how many gallons will be used to drive 108 km at a speed of 28.0 m/s? (Enter a number.) gallons moving constant speed despice mic

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 8PQ: A 537-kg trailer is hitched to a truck. Find the work done by the truck on the trailer in each of...

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