If a man completes half of his journey at 326 kmph and the other half of his journey at 489 kmph, find the average speed of the overall journey. (in kmph)
Answers
Answered by
1
Step-by-step explanation:
Let the Total distance be x
The half distance is covered with 6kmph so the time taken is
6
2
x
=
12
x
The half distance is covered with 3kmph so the time taken is
3
2
x
=
6
x
Avg speed =
Totaltime
Totaldistance
=
6
x
+
12
x
x
12x+6x
72x
18
72
=4
Answered by
0
Answer:
815km/h
Step-by-step explanation:
Average speed =326+489
=815km/h
(Proof)
Since,
Average speed =Total Distance/Total Time
Now,
Total time=2hr
Speed =326+489
=815km/h
Therefore,
Distance=s*t
=1630
Hence,
Average speed=TD/Tt
=1630/2
=815km/h
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