A car travels a distance of d1 = 36 km with an average speed of v1 -44 km/h and then travels a distance of d2 = 84 km with an average speed of v2 66 km/ h. What is the value of the average speed of the car over the total travel of 120 km?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 10P: An object moves along the x axis according to the equation x = 3.00t2 2.00t + 3.00, where x is in...
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A car travels a distance of d1 = 36 km with an average speed of v1 -44 km/h and then travels a
distance of d2 =84 km with an average speed of v2 - 66 km/h. What is the value of the average speed
of the car over the total travel of 120 km?
=62.4793 km/h
55 km/h
|3|
3 2.0909 km/h
=D57.3913 km/h
Transcribed Image Text:A car travels a distance of d1 = 36 km with an average speed of v1 -44 km/h and then travels a distance of d2 =84 km with an average speed of v2 - 66 km/h. What is the value of the average speed of the car over the total travel of 120 km? =62.4793 km/h 55 km/h |3| 3 2.0909 km/h =D57.3913 km/h
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