Question

velocity of a car is 18m/s. Express it in km/h

Answer 1

18 m/s

$18 \times \frac{ \frac{1}{1000} km}{ \frac{1}{60 \times 60}hour }$

$18 \times \frac{60 \times 60}{1000} km/hr$

$18 \times \frac{18}{5} km/hr$

$64.8 km/hr$