Question

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

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Solution

## To convert from m/s to km/h, multiply the speed in km/h by 18/5. $\mathrm{speed}\left(\mathrm{in}\mathrm{km}/\mathrm{h}\right)=15000×\frac{18}{5}=54000\mathrm{km}/\mathrm{h}$

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