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
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
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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