a motorcycleist drive from a to b with the uniform speed of 60 km/h and return back from the speed of 4p km/h
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Answer:
Hope this helps you...
Explanation:
Let the length of the line segment AB be x m
The time taken is given as t=distance covered/speed
Total time = t
1
+t
2
=
30
x
+
20
x
=
60
5x
h
Average speed = Total distance/Total time =
5x/60
2x
=24 km/h
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