Acar travels from point a to point b, moving in the same direction but with a non-constant speed. the first half of the distance, the car travels with a speed v 1 â.the remaining part of the way, the car travels half the time with a speed v2 ââand half the time with a speed v3 ââ . what is the average speed over the entire journey?
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 in time 
 and 
 velocity for half-half time
 
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Acar travels from point a to point b, moving in the same direction but with a non-constant speed. th...
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