Concept explainers
(a)
To calculate:To find the average speed in miles per hour to the nearest tenth when the distance is
(a)
Answer to Problem 6.4MPS
Average Speed to the nearest tenth is
Explanation of Solution
Given information:
Given-
Distance
Time taken is
Formula Used:
Speed
Calculation:
Given:
Distance
Time taken is
Converting
Thus,
Since, Speed
Thus, Speed
Solving further, we have:
Speed
Thus, Average Speed to the nearest tenth is
Conclusion:
Average Speed to the nearest tenth is
(b)
To calculate: To find the average speed in kilometers per hour to the nearest tenth when the distance is
(b)
Answer to Problem 6.4MPS
Average Speed to the nearest tenth is
Explanation of Solution
Given information:
Given-
Distance
Time taken is
Formula Used:
Speed
Calculation:
Given :
Distance
Time taken is
Converting
Thus,
Since, Speed
Thus, Speed
Solving further, we have:
Speed
Converting to km per hour, we have:
Speed
Speed
Thus, Average Speed to the nearest tenth is
Conclusion:
Average Speed to the nearest tenth is
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