Question

Change $35 \mathrm{~m} / \mathrm{s}$ into $\mathrm{km} / \mathrm{hr}$.

Answer 1

. $: 35 \mathrm{~m} / \mathrm{s}=\frac{\frac{35}{1000} \mathrm{~km}}{\frac{1}{60 \times 60} \mathrm{hr}}$

$ =\frac{35}{1000} \times 60 \times 60 \mathrm{~km} / \mathrm{hr}$

$=126 \mathrm{~km} / \mathrm{hr} ; \text { Ans. }
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