A 75 , m long train is moving at 20 , km/h. I | vedclass

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(C) To find the time taken by the train to cross a man, we use the formula: $	ext{Time} = \frac{	ext{Distance}}{	ext{Speed}}$.Here, the distance to

Vedclass · Accepted Answer

$13.5$

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(C) To find the time taken by the train to cross a man, we use the formula: $	ext{Time} = \frac{	ext{Distance}}{	ext{Speed}}$.Here, the distance to be covered is the length of the train, which is $75 \, m$.The speed of the train is $20 \, km/h$. We convert this into $m/s$ by multiplying by $\frac{5}{18}$:$	ext{Speed} = 20 	imes \frac{5}{18} = \frac{100}{18} = \frac{50}{9} \, m/s$.Now, substitute the values into the formula:$t = \frac{75}{50/9} = \frac{75 	imes 9}{50} = \frac{3 	imes 9}{2} = \frac{27}{2} = 13.5 \, seconds$.

$A$ $75 \, m$ long train is moving at $20 \, km/h$. It will cross a man standing on the platform in (in $sec$):

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