Question

A car is moving with a speed of 45 miles per hour find its speed in metre per second

Answer 1

Explanation:

speed = 45miles per hour

1 mile=1609.3 metres

so, 45miles= 45×1609.3=72418.5 m

and 1 hour =3600 secs

so in m/s

72418.5/3600= 20.11625m / s is the speed.

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