A train travels $100\ m$ long moving on a straight level track passes a pole in $5\s$. Find the speed of the train.

Academic Physics NCERT Class 9

Here, the distance traveled by train will be the length of the train.

Therefore, distance traveled $s=100\ m$

Time $t=5\ s$

Therefore, speed of the train $=\frac{distance}{time}=\frac{s}{t}$

$=\frac{100}{5}$

$=20\ m/s$

Thus, the speed of the train is $20\ m/s$.

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Updated on: 10-Oct-2022

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