A bridge is 500 m long. a 100 m long train crosses the bridge at a speed of 30 m/s. find the time taken by train to cross it.
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total distance to be covered=500+100=600
speed=30 m/s
time taken=total distance/speed
=600/30
=20 seconds
speed=30 m/s
time taken=total distance/speed
=600/30
=20 seconds
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