Question

a train runs at 72km/h .what is its speed in m/s with full forumla

Answer 1

72*5/18=20 m/s.
To convert km/h into m/s it is multiplied by 5/18.

Answer 2

Hi friend,

Here is your answer,
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72km/h = ⁷² * ⁵/₁₈
             = 4 * 5
             = 20m/s
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