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15 April, 08:24

A certain bacterium swims with a speed of 3m/s. How long would it take this bacterium to swim across a petri dish having a diameter of 8 cm

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Answers (2)
  1. 15 April, 08:33
    0
    8cm is 0.08metres

    if 3 metres per second,

    time = distance/speed

    time = 0.08/3

    0.027 second
  2. 15 April, 08:42
    0
    Time = (distance) / (speed)

    Distance = 8 cm or 0.08 meter

    Time = (0.08 meter) / (3 meter/sec)

    Time = (0.08 meter) · (sec / 3 meter)

    Time = (0.08 / 3) (meter-sec/meter)

    Time = 0.027 second
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