A 160 metre long train is running at speed of 48 km p. how long will it take to cross a light post. Please answer this....
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Answer:
12sec
Step-by-step explanation:
speed=48kmph
speed=48 x 5/18
distance=length of the train
distance=160 metre
speed=distance / time
time = distance / speed
time = 160 x 18 / 48 x 5
time = 12 sec
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