what time should be taken when a 334m Train at the speed of 235/kmh Cross a 800 m tunnel
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➡️ 235 km/h
= (235 * 5/18) m/s
= 1175/18 m/s.
➡️ Time taken is
= (800 + 334) / (1175/18) s
= (1134) / (1175/18) s
= (1134 * 18) / 1175 s
= 17.3 s (approx)
That's it..
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