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a motor car covers 1/3 part of total distance with velocity V1 = 10km/hr and second 1/3 part with velocity V2 = 20km/hr and rest 1/3 part with velocity V3 = 60km/hr . What is the average speed of the car ?

Physics
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Average speed of the car = (V1+V2+V3)/3
now can u?
Avg speed = 10+20+60 / 3 = 90/3 = 30km/hr correct ?

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Other answers:

very correct
u got it?
why the velocities / 3 ?
Actually it was like this: Average speed of the car = 1/3 V1 + 1/3 V2 + 1/3 V3 = (V1+V2+V3)/3
got it?
oh okay .. thanks :)

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