Question

A train moves with a speed of 108 km/hr. Its speed in meters per second is

Answer 1

Answer:

108 km/h = 108/3.6 m/s = 30 m/s

Explanation:

Answer 2

The speed of the train in meters per second is 30 meter/second

Given :

A train moves with a speed of 108 km/hr

To find :

The speed of the train in meters per second

Solution :

Step 1 of 2 :

Write down the speed of the train

Here it is given that the train moves with a speed of 108 km/hr

Step 2 of 2 :

Express speed in meters per second

We know that ,

1 km = 1000 meter

∴ 108 km = 108000 meter

Also , 1 hour = 3600 seconds

Thus we get

$\displaystyle \sf{ 108 \: \: km/hr }$

$\displaystyle \sf{ = \frac{108000}{3600} } \: \: meter/second$

$\displaystyle \sf{ = \frac{1080}{36} } \: \: meter/second$

$\displaystyle \sf{ = 30} \: \: meter/second$

Hence speed of the train in meters per second is 30 meter/second

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