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 Discussion Response Post to:
a man
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Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 21 Mar 2008 19:39:55 IST
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velocity with respect to still water means that we(observer) are flowing with the water flow , its not necessary that velocity of water should be zero.
like for example if u are in a car moving at 5 km/hr and a man is moving opposite to car with velo 2km/hr then velocity of man as seen from still car is 7km/hr ......when we subtract the velocity vectors to get relative velocity than the object whose velocity is the second term is considered to be at rest.
for ex. Vman/car = Vman-Vcar here car is assumed to be at rest and man to be moving with velocity Vman/car
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Caution: Radioactive Hazard |
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