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Physic

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A speedy tortoise can run at 0.14m/s, and a hare can run 15 times as fast. In a race, they start at the same time, but the hare stops to rest for 2 min, so the tortoise wins by a shell(20cm). How long does the race take?

  • Physic -

    the run the same distance.

    distancetortiose= .14*time
    distancehard=15*.14(t-2)

    set the distances equal, and solve for t, which is time in minutes.

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