A train $110 m$ in length travels at $60$ per hour. In what time will it pass a man who is walking at $6 k m$ an hour in the opposite direction

5 s e c o n d s

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6 s e c o n d s

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8 s e c o n d s

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7 \frac{1}{3} s e c o n d s

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Solution

The correct option is B $6 s e c o n d s$
The train traveling 110m long is traveling at 60 km/hr
The time it will cross a cyclist moving at 6km/hr
Change 110 m to .110 km
a) in the same direction
t = {.110/(60-6)}×3600; changed hrs to seconds
t = 7.33 seconds
b) in the opposite direction
t = {.110/(60+6)}×3600
t = 6 seconds
So option B is the correct answer.

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A train 110 m in length travels at 60 per hour. In what time will it pass a man who is walking at 6 km an hour in the opposite direction

A train $110 m$ in length travels at $60$ per hour. In what time will it pass a man who is walking at $6 k m$ an hour in the opposite direction