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KE = 1/2mv2 = 1/2×2×32=9J Kinetic energy depends on both mass and square of velocity. It is a scalar quantity. Unit is Joule (J).
A 160 m long train crosses another 290 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 8 seconds, w...
A train 248 meter long running with the speed of 74 kmph crosses a bridge in 18 seconds then what is the length of bridge?
Two trains, A and B, cross each other in 30 seconds and 50 seconds respectively, when running in opposite and the same direction respectively. If the sp...
A person sees a train passing over 3 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 5 mins. What is th...
Two trains approach each other at 22 kmph and 25 kmph from 2 places 282 km apart. After how many hours they will meet?
A train crosses a 400-metre-long platform in 25 seconds, and the same train crosses a tunnel 25% longer than the platform in 30 seconds. Find the speed ...
Two trains 180 metres and 120 metres in length are running towards each other on parallel tracks, one at the rate 42 km/hr and another at 30 km/hr. In h...
Train ‘A’ can cross a pole in 10 seconds and a 200 metre long platform in 14 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2...
A person travels a distance of 60 km, some distance he travels by bus and rest of the journey by walking, then he takes 4 hours and 20 minutes. If he ha...
