A body travelling along a straight line traversed one third of the total distance with a
velocity 4 m/s. The remaining part of the distance was covered with a velocity 2 m/s
for half the time and with velocity 6 m/s for the other half of time. The mean velocity averaged over the whole time of motion is
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Answered by
3
Answer:
Let total distance d
Let time covered for first one third distance bet
1
Then t
1
=
4
d/3
=
12
d
t
2
be time for next two journeys
d−
3
d
=
3
2d
=2t
2
+6t
2
=8t
2
t
2
=
12
d
Averagevelocity=
Totaltime
Totaldistane
=
t
1
+2t
2
d
=
12
d
+
12
2d
d
=4m/s
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Answer:
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