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6. A body travels a distance of 10 km
with a constant speed of 30 km/h

And then the next 40 km at a
Constant

By Liliana

6. A body travels a distance of 10 km
with a constant speed of 30 km/h

And then the next 40 km at a
Constant speed of 50 km/h find
the average speed for the whole
Journey​

About the author
Liliana

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1 thought on “6. A body travels a distance of 10 km<br />with a constant speed of 30 km/h<br /><br />And then the next 40 km at a<br />Constant”

  1. Answer:

    Avg Speed=44.24 km/hr

    Explanation:

    Average speed=Total Distance/Total time

    Total distance=(10+40)km=50km

    Total time=t1+t2

    t1=60/30×10=20min

    t2=60/50×40=48min

    Therefore,Total time=20+48=68min=1.13 hour

    Then the avg speed=50/1.13=44.24km/hr.

    Reply

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