A train travels 1445-2km in 17-2 hours- Find the speed of the train inkm-h-

We have to determine the speed of the train in km/h:The speed of the train = 1445/2 ÷ 17/2= 1445/2×2/170ex0ex= 85 km/hHence, the speed of the train is85 km/h. ...

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Standard XIII

Physics

Average speed

A train trave...

Question

A train travels $\frac{1445}{2} k m$ in $\frac{17}{2} h o u r s .$ Find the speed of the train in $\frac{k m}{h}$ .

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Solution

We have to determine the speed of the train in $k m / h$ :
The speed of the train $= \frac{1445}{2} \div \frac{17}{2}$
$= \frac{1445}{2} \times \frac{2}{17} = 85 \frac{k m}{h}$
Hence, the speed of the train is $85 \frac{k m}{h}$ .

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A train travels 14452km in 172hours. Find the speed of the train inkmh.

We have to determine the speed of the train in km/h:The speed of the train =14452÷172=14452×217=85kmhHence, the speed of the train is85kmh.

A train travels $\frac{1445}{2} k m$ in $\frac{17}{2} h o u r s .$ Find the speed of the train in $\frac{k m}{h}$ .

We have to determine the speed of the train in $k m / h$ :
The speed of the train $= \frac{1445}{2} \div \frac{17}{2}$
$= \frac{1445}{2} \times \frac{2}{17} = 85 \frac{k m}{h}$
Hence, the speed of the train is $85 \frac{k m}{h}$ .