Question

a train travels one station to another at a speed of 40km/h and return to the first station at the speed of 60 km/h . calculate the average speed and average velocity

Answer 1

Avg velocity is zero.
Avg speed = 50km/hr

Answer 2

Hey mate.
Here are your answers-

Average velocity of train is none i.e. Zero

Average speed = 50km/h

$\frac{40km \: per \: hour \: + \: 60km \: per \: hour}{2} = \: \frac{100km \: per \: hour}{2} \\ = > \:50km \: per \: hour$

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