A 50m long train passes over a 250m long bridge at a velocity of 69km/hr.How long will it take to pass completely over the bridge?
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Solution

If the train it travelling at 60 km/hr
Then its velocity in m/s is $\frac{60000}{3600}$ = 16.66 m/s
Therefore it takes $\frac{250}{16.6} = 15 s$

Total length covered by train = 250 + 60 = 310m
Speed of train = 80 km/hr = $= 60 \times \frac{5}{18} m / s = \frac{50}{3} m / s$
Total time taken $= \frac{930}{5013} = \frac{93 / 0}{5 / 0} = 18. s$

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A 50m long train passes over a 250m long bridge at a velocity of 69km/hr.How long will it take to pass completely over the bridge?undefinedundefinedundefinedundefined

If the train it travelling at 60 km/hr Then its velocity in m/s is 600003600 = 16.66 m/s Therefore it takes 25016.6=15 s Total length covered by train = 250 + 60 = 310m Speed of train = 80 km/hr = =60×518m/s=503m/s Total time taken =9305013=93/05/0=18.s

A 50m long train passes over a 250m long bridge at a velocity of 69km/hr.How long will it take to pass completely over the bridge?
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