Question

Why we have multiplied by 5/18

Answer 1

we multiply to get 90 ...

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Answer 2

Answer :

When we convert km/h into m/sec then we multiply by 5/18

Explanation :

1 km = 1000 m and

1 hour = 3600 sec

Thus, 1km/1hour or km/h = 1000m/3600sec

=> km/h = 5/18 m/sec

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