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31 March, 15:44

A toy plane moves at a constant speed of 2m/s. How long will it travel a distance of 42 meters?

A. 21 sec

B. 24 sec

C. 84 sec

D. 210 sec

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Answers (1)
  1. 31 March, 16:29
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    option A. 21 sec

    Step-by-step explanation:

    Speed = the distance over the time

    Given:

    Speed = 2 m/s and distance = 42 m and time = t

    So,

    2 = 42/t

    Solve for t

    t = 42/2 = 21 sec.

    The answer is option A. 21 sec
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