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Concept explainers
a)
To find: The speed of Olympic record for men`s 50 meter freestyle in meter per second to hundredths place.
a)
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Answer to Problem 14MCQ
The given speed in meter per seconds, to nearest hundredths is 2.35 meter per second.
Explanation of Solution
Given information: The Olympic record for men’s 50 meter freestyle is 21.3 seconds.
Calculation:
Distance covered in 21.3 seconds
So distance covered in 1 second
Therefore, required speed in meter per second is 2.35 meters per second.
b)
To find: For men’s 50 meter freestyle, to calculate total distance swum in one minute with the same rate.
b)
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Answer to Problem 14MCQ
Total distance that could be swum in 1 minute be 141 meters.
Explanation of Solution
Given information: The Olympic record for men`s 50 meter freestyle is 21.3 seconds.
Concept used:
1 minute
Calculation:
As distance covered in 1 second
So distance covered in 1 minute is
Therefore, total distance covered in swimming for 1 minute is 141 meters.
Chapter 6 Solutions
Pre-Algebra Student Edition
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