Physics, asked by vivekadithya55, 8 months ago

It's Physical Science time

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Answered by aniketpasi201454

0

Answer:

average speed of this train is 40 km/h

Answered by Vmusale

1

Total distance=20 +40=60km

Time 1=20/60=1/3

time 2=40/80=1/2

avg.speed=total distance/total time

=60/1/3+1/2

=72km/h

hope it will. help u

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