22. A non-stop bus goes from one station to another with a sped of 54
km The same bus returns from second to first station with a speed of
36 km/h. Find its average speed and average velocity for entire journey
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please represent the distance also in your question
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Answer:
let the distance be x km
time for first bus = x/54
time for 2nd bus = x/36
total time = x/54 + x/36 = 90x/1944
total distance = 2x
average speed = total distance / total time
= 2x / (90x/1944) km/h
= 2x*1944/90x km/hr
= 43.2km/hr
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