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Velocity

An express tr...

Question

An express train 80 metres long is running at a rate of 45 km/h. How much time will it take to cross a platform 220 metres long ?

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Solution

Total distance $= 220 + 80 = 300$ m
Time $=$ Distance/speed
Time $= \frac{300 \times 60 \times 60}{45000}$ sec
Time $= 24$ seconds.

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