Science, asked by adbay, 8 months ago

Abdul goes from a trip at speed of 60 km/hr and returns at a speed of 30
km/hr. average speed of entire journey -

30 km/hr
40 km/hr
50 km/hr
60 km/hr

Answers

Answered by suhas122006

10

Answer:

avg speed = 2v1v2/v1+v2

=2(60)(30)/60+30

=3600/90

=40 km/h

hope this helps u..

Answered by Samhita347

7

Answer:

40km/hr

for steps see the above answer

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