Physics, asked by BB8, 1 year ago


A motorcyclist drives from place A to B with a uniform speed 
of 30km h-1 and returns from place B to A with a uniform speed 
of 20km h-1.Find his average speed.

Answers

Answered by Meischer
5
Let distance = x

Total Distance = x + x = 2x

Time = x / 20 + x/ 30 = 5x / 60

Average Speed = Total Distance / Total Time

2x / (5x /60) = 2x * 60 / 5x = 24 km / hr

Meischer: hope this helps you
BB8: yes,thank you
Meischer: your welcome
ALIA111112: hmm
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