a person travels along a straight road for the first t/3 time with a speed v1 and gor next 2t/3 time with a speed v2. then the mean speed v is given by
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The mean speed is given by v1+v2/3.
PariKakkar:
Yaa sure
then send
Avg speed is total distance divided by total time.
Since distance is speed into time
so d1 is v1 *t/3
and d2 =v2*2t/3
Now add both distances and divide it by total time taken
u will get ur answer.
okkie thnkew you so much...for helping me
It's my pleasure ...
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