How can i express the velocity of a car which is 45m/s in km/h
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As, 1 km = 1000 m
1m = 10⁻³ km
and, 1 hour = 3600 sec
1 sec = 1/3600 hour
∴45 m/s = 45 ×(10⁻³)/(1/3600 )
=45×(3600/1000) = 162 km/hour
1m = 10⁻³ km
and, 1 hour = 3600 sec
1 sec = 1/3600 hour
∴45 m/s = 45 ×(10⁻³)/(1/3600 )
=45×(3600/1000) = 162 km/hour
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