If a car covers 2/5th of total distance with v1 speed and 3/5th of the total distance with v2 speed then find the average speed of the car
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Explanation:
The total distance (x)s= 2/5+3/5=s
Total time taken t= S/V (s=v*t)
t1=2/5s/v1=2s/5v1
t2=3s/5/v2=3s/5v2
Vavg=s/t
S/2s/5v1+3s/5v2
S/(s/5)(2/v1+3/v2)
5v1v2/3v1+2v2
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