Question

express 45 km/h in m/s​

Answer 1

Answer:

Here is your answer

$1km=1000m \: \: \: \: \: \: \: \: \: \\ 1hour=60×60sec$

$using \: this \: information \: we \: get$

$45km/hr = 45×1000m \div 60×60sec$

$=12.5m/sec$

Or

$12 \frac{1}{2} m/sec$

hope it's helpful