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Motion — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMotion1 Mark
Question
Convert a speed of $54\ km/h$ into $m/s.$
✓

Answer

We have to convert $5\ km/h$ into m/s.$54\text{km/hr}=\frac{(54)(1000)}{3600}\text{m/s}$
$=15\text{m/s}$

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