A 150 meter long train will cross a electro pole with a speed of 84/5m sec?
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8.93sec.....is answere
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d=150m
s=84/5
t=d/s
t=150/84/5
t=8.928sec.
s=84/5
t=d/s
t=150/84/5
t=8.928sec.
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