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8 September, 01:11

22. If one is traveling at 55 mi/h, how many meters will one travel in 42.3 minutes?

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Answers (2)
  1. 8 September, 03:14
    0
    62396.73m

    Explanation:

    Step 1:

    Data obtained from the question:

    Speed = 55 mi/h

    Time = 42.3 mins

    Distance = ... ?

    Step 2:

    Conversion to appropriate unit.

    In this case, we shall convert from mi/h to m/s and also, we shall convert from minute to second.

    For the speed:

    1 m/h = 0.447m/s

    Therefore, 55mi/h = 55 x 0.447 = 24.585m/s

    For Time:

    1 mins = 60secs

    Therefore, 42.3 mins = 42.3 x 60 = 2538 secs.

    Step 3:

    Determination of the distance travel.

    This can be obtained as follow:

    Speed = Distance / time

    Speed = 24.585/s

    Time = 2538 secs

    Distance = ... ?

    Distance = speed x time

    Distance = 24.585m/s x 2538 secs

    Distance = 62396.73m
  2. 8 September, 05:00
    0
    62396.73 metres

    Explanation:

    In this question, we have to do some unit conversions in order to accurately solve the problem given here.

    To convert from miles per hour to metre per second we use the conversion factor;

    1 mile per hour = 0.447 metre per second

    Hence, 55 miles per hour = 55 * 0.447 = 24.585 metre per second.

    Then we convert 42.3 minutes to seconds.

    60 seconds = 1 minute

    x seconds = 42.3 minutes

    x = 60 * 42.3

    x = 2538 seconds

    Now recall that

    Speed = distance / time

    Speed = 24.585 metre per second.

    Time = 2538 seconds

    Distance=?

    Distance = speed * time

    Distance = 24.585 metre per second * 2538 seconds

    Distance = 62396.73 metres
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