Concept explainers
a)
To find: The speed of Olympic record for men`s 50 meter freestyle in meter per second to hundredths place.
a)
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)
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.
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