Concept explainers
a.
To calculate:Crystal’s run speed in meters per second.
a.
Answer to Problem 31IP
Crystal’s run speed in meters per second is
Explanation of Solution
Given information:The table is given below:
Swim | Bike | Run | |
Distance (km) | 1.5 | 40 | 10 |
Time (min) | 40 | 86 | 64 |
Calculation:
The given distance and time are in km and min respectively. For crystal’s run speed, convert kilometer per minute into meters per second.
Use
Crystal’s run speed can be calculated as:
Therefore, Crystal’s run speed in meters per second is
b.
To calculate: Crystal’s speed in miles per hour for the aquabike portion for swimming and biking.
b.
Answer to Problem 31IP
Crystal’s speed in miles per hour for the aquabike portion for swimming and bikingis
Explanation of Solution
Given information: The table is given below:
Swim | Bike | Run | |
Distance (km) | 1.5 | 40 | 10 |
Time (min) | 40 | 86 | 64 |
Calculation:
The given distance and time are in km and min. For crystal’s speed, convert kilometer per minute into miles per hour.
Total distance covered by crystal for aquabike portion is:
Total time taken by crystal for aquabike portion is:
Use
Crystal’s aquabike speed can be calculated as:
Therefore, Crystal’s speed in miles per hour for the aquabike portion for swimming and bikingis
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