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Physics
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26 Nov 2019

how many hours would be required to make a 4400-km trip across the united States if you average 80 km/hr?

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Reid Wolff
Reid WolffLv2
15 Mar 2019
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

You drive on Interstate 10 from San Antonio to Houston, half thetime at 56 km/h and the other half at 92 km/h. On the way back youtravel half the distance at 56 km/h and the other half at 92km/h.
(a) What is your average speed from San Antonio to Houston?
km/h

(b) What is your average speed from Houston back to SanAntonio?
km/h

(c) What is your average speed for the entire trip?
km/h

(d) What is your average velocity for the entire trip?
km/h

(e) Describe in words the graph x versus t for (a), assuming themotion is all in the positive x direction.


(f) Describe how the average velocity can be found on a graph of xversus t.

2.3 - Trip Home. You normally drive on the freeway be- tween San Diego and Los Angeles at an average speed of 105 km/h (65 mi/h), and the trip takes 1 h and 50 min. On a Friday afternoon, however, heavy traffic slows you down and you drive the same distance at an average speed of only 70 km/h (43 mi/h). How much longer does the trip take?

Using the driving distance from your home to Point B, what would your average speed be if the trip takes you exactly 4.50h? 

Driving Distance: 489 km

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