Question

A train takes 7 sec to travel 210 m. Find its speed.

Answer 1

speed = distance/time
=210/7 m/sec
30 m /sec

Answer 2

Here is the answer

We know that , 

$Speed = \frac{Distance}{ Time}$
​ 

As per your question,

Time = 7 seconds
Distance = 210 metre 
Speed = ?

According to the formula ,

Speed = 
$\therefore \: \bf{\frac{210}{7} = 30}$

Therefore, 
The speed of the train was 30 m / s.

Thanks !

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