the time it takes a runner to complete a race is inversely related to the speed of the runner if a runner can complete a race in 40 minutes

Question

the time it takes a runner to complete a race is inversely related to the speed of the runner if a runner can complete a race in 40 minutes while running at 8 mph how long will it take the runner to complete the race running at 9 mph t
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Kim Chi 3 years 2021-08-01T02:04:36+00:00 1 Answers 4 views 0

Answers ( )

  1. thuthuy
    0
    2021-08-01T02:05:49+00:00
    Reply

    35.6 minutes

    S = v*t = 8 * 40/60 = 16/3 m
    => t = s/v = 16/(3*9) = 35.555555 minutes

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