You expect your average speed to be 60 miles per hour on this trip. Determine how many hours of driving it will take for you to get to Mackinaw City one-way? The toal of the round trip is 452 miles and it takes 3hrs and 4minutes one way.

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter2: Motion
Section: Chapter Questions
Problem 6E: A group of college students eager to get to Florida on a spring break drove the 750-mi trip with...
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You expect your average speed to be 60 miles per hour on this trip. Determine how many hours of driving it will take for you to get to Mackinaw City one-way? The toal of the round trip is 452 miles and it takes 3hrs and 4minutes one way.  

Expert Solution
Step 1

The average speed is given by

total di stance
Vag
ang
total time
Step 2

Total distance of the round trip is d+d=2d and time while going the trip is T hours and time while returning the trip is 3hr 4minutes.

Then,

2d
Vang
(T+3hr 4 min)
452 miles
60 miles hour
(T+3.0667 hr)
T = 4.466 hours
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