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Physical Quantities and Measurement — PHYSICS STD 7 — Question

ICSE BoardEnglish MediumSTD 7PHYSICSPhysical Quantities and Measurement1 Mark
Question
Express $36 km h ^{-1}$ in $m s ^{-1}$
✓

Answer


$\begin{aligned} 36 \mathrm{~km} \mathrm{~h}^{-1}= & \frac{36 \times 1000 \mathrm{~m}}{60 \times 60}
\\ & =10 \mathrm{~m} \mathrm{~s}^{-1}\end{aligned}$

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