Question

A rocket travels at a speed of 15,000 m/s. Express this speed in km/h.

Answer 1

To convert from m/s to km/h, multiply the speed in km/h by 18/5.

$\mathrm{speed}(\mathrm{in}\mathrm{km}/\mathrm{h})=15000\times \frac{18}{5}=54000\mathrm{km}/\mathrm{h}$