physics class 11 Answere the question fast
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As train crosses bridge it'll travel its own length 100m and bridges length 1000m to cross the bridge.
Total length crossed = 1100m = 1.1km
It travels at 60kmph = 1km per min
Time = distance/speed
Time = 1.1km/ 60kmph
= 66s
Train takes 66s to cross the bridge
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