You drive your car in a straight line at 15 m/s for 10 kilometers, then at 25 m/s for another 10 kilometers. a. What is your average speed? b. Choose the best explanation from among the following: 1) More time is spent at 15 m/s than at 25 m/s. 2) The average of 15 m/s and 25 m/s is 20 m/s. 3) Less time is spent at 15 m/s than at 25 m/s.
You drive your car in a straight line at 15 m/s for 10 kilometers, then at 25 m/s for another 10 kilometers. a. What is your average speed? b. Choose the best explanation from among the following: 1) More time is spent at 15 m/s than at 25 m/s. 2) The average of 15 m/s and 25 m/s is 20 m/s. 3) Less time is spent at 15 m/s than at 25 m/s.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.23P
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Question
You drive your car in a straight line at 15 m/s for 10 kilometers, then at 25 m/s for another 10 kilometers.
a. What is your average speed?
b. Choose the best explanation from among the following:
1) More time is spent at 15 m/s than at 25 m/s. |
2) The average of 15 m/s and 25 m/s is 20 m/s. |
3) Less time is spent at 15 m/s than at 25 m/s. |
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