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Pls help me with this the correct answers are 2 kmph and 24m Pls help me with this the correct answers are 2 kmph and 24m
speed of train=vlength of coach=lspeed of boy relative to train is =(10-v)km/hrin 1st case, the boy takes time to cover the train is=(30/1000)hr=0.003hrthen,(10-v)*0.003=l...........thus for 2nd case, relative speed is=(10+v)km/hrtime taken=(20/10000)hr=0.002hrthen,(10+v)*0.002=l...........solving 1 & 2v=2 km/hrl=24 mhope it will be helpfull.
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