Question

A velocity of $\frac{18}{5}$ km h${}^{-1}$ is equal to ....................... m s${}^{-1}$

• A. 1 m/s
• B. 5 m/s
• C. 8 m/s
• D. 18 m/s

Answer 1

The correct option is A 1 m/s

$\frac{18}{5}km{h}^{-1}=\frac{18}{5}\times \frac{1000m}{3600s}=1m{s}^{-1}$