The amount of time it takes a swimmer to swim a race is inversely proportional t

Question

The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 100 seconds with an avarage speed of 3 feet per second. Find the avarage speed of the swimmer if it takes 60 seconds to finish the race.
6ft per sec 4ft per sec 5ft per sec 7ft per sec The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 100 seconds with an avarage speed of 3 feet per second. Find the avarage speed of the swimmer if it takes 60 seconds to finish the race.
6ft per sec 4ft per sec 5ft per sec 7ft per sec
6ft per sec 4ft per sec 5ft per sec 7ft per sec

Explanation / Answer

Given -

t=k/v

we have t=100s,v=3f/s

so put in eqn

k=100*3=300

now have to find v=? for t=60s.

v=k/t=300/60=5ft/sec.

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