Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 1.90 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 ✕ 108 J per gallon.)(a)What is the force (in N) exerted to keep the car moving at constant speed? (Enter a number.)686.1N(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 Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 1.90 gallons of gasoline. Only 30% of the gasoline goes into useful work by the force that keepsthe 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.)686.1✔ 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.)X gallons

Name: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 1.90 gal
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 1.90 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

Answered: Image /qna-images/answer/8746fcd4-1d88-4f2d-b907-47dfa55a378d.jpg

Answered: Suppose a car travels 108 km at a speed…

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)...

See similar textbooks

(a)

What is the force (in N) exerted to keep the car moving at constant speed? (Enter a number.)
686.1N

(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

Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 1.90 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.)
686.1
✔ 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.)
X gallons

Expert Solution

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions