Question

the
A
at an average a speed of 40 km h-1 and returns back
to the first station at an average speed of 60 km h-1.
Find the average speed and average velocity of the
train? Ignore the stoppage time at the second station.
in velo
A veh
Jer an 42. A train travels from one station to another station​

Answer 1

Answer:

Net displacement of the train in coming back to the first station is zero i.e. S=0 .

Average velocity V

avg

=

t

S

=0

Average speed of the train when in moving equal distances is given by ∣V∣

avg

=

v

1

+v

2

2v

1

v

2

⟹ ∣V∣

avg

=

40+60

2×40×60

=48 km/h