A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
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let speed of train=x
speed of man = 5km/h=1.38m/s
actual speed =x-1.38
time = 10s
dist= 125m
sp=d/t
x-1.38=125/10
x-1.38=12.5
x=13.88m/s
speed of man = 5km/h=1.38m/s
actual speed =x-1.38
time = 10s
dist= 125m
sp=d/t
x-1.38=125/10
x-1.38=12.5
x=13.88m/s
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