Question

A train 350 metres long crosses an electric pole in 28 seconds.Find the speed of the train in km/hr

Answer 1

distance=350m
time=28s

speed= 350/28= 25/2

25/2×18/5=45km/h

Answer 2

Answer: The train speed is 45 km/hr.

Given: Length of the train is 350 m which is considered as distance.

The time required by the train to cross the electric pole = 28 seconds

Solution:

By formula, Speed = $\frac{\text { Distance }}{\text { Time }}$

Speed of the train = $\frac{350}{28}$  = 12.5 m/sec

To convert m/sec into km/hr multiply by the value $\frac{18}{5}=12.5 \times \frac{18}{5}$ = 45 km/hr

The speed travelled by train is 45 km/hr.