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Stokes' Law describes the settling velocity of particles in a liquid medium.
A person sees a train passing over 4 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 8 mins. What is th...
Train 'P' starts its journey from a point at 6:00 pm, traveling at an average speed of 48 km/h. Train 'Q' departs from the same point towards Train 'P' ...
Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
How many seconds will a train 68 m in length, travelling at the rate of 40 km an hour, take to pass another train 92 m long, proceeding in the same dire...
The ratio of the length of two trains P and Q is 5:6 and the ratio of the time taken by both trains to cross a man standing on a platform is 2:3. If the...
A train travelling with a speed of 72 km/h can cross a pole in 8 seconds. Find the time taken by the train to cross a 200 metres long platform if the sp...
A train can cross a pole in 30 seconds. While if the train increased its speed by 55% then time taken by it to cross 351 metres long platform is 42 seco...
Train 'M' takes 2 hours less than Train 'N' to travel a distance of 150 km. The speed of Train 'M' is 20 km/h more than that of Train 'N'. What is the t...
Two trains 165 metres and 135 metres in length are running towards each other on parallel tracks, one at the rate 70 km/hr and another at 38 km/hr. In h...
Train ‘A’ running with a speed of 45 km/h crosses a pole in 4 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a spee...