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 2 years ago
A train is moving with uniform velocity on a straight track. A boy moving at 4 km/h due east observes that the train is moving due north. Another boy moving at 1 km/h due south claims that the train is moving towards northeast. What is the speed of the train in ground frame ?
 2 years ago
A train is moving with uniform velocity on a straight track. A boy moving at 4 km/h due east observes that the train is moving due north. Another boy moving at 1 km/h due south claims that the train is moving towards northeast. What is the speed of the train in ground frame ?

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AravindG
 2 years ago
Best ResponseYou've already chosen the best response.0try to write expressions of relative velocities

yrelhan4
 2 years ago
Best ResponseYou've already chosen the best response.0done that. the question does not give me v of boys realtive to train. so how to go about it after that?
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