Can cross in 't' seconds.....
Classical Mechanics
Level
2
A good train completely crosses a 120 m long bridge with uniform speed 'v' in 't' seconds. Then it will cross 240 m long bridge with uniform speed 2 v in
less than t seconds
t seconds
more than t seconds
2 t seconds
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1 solution
While crossing 120m bridge the train's own length x is also included But while crossing 240m bridge the distance is less than the double and velocity is double. So time while crossing 240m bridge will be less than 't'.