A train is moving with a speed of 360 km/hr. Its speed in m/sec is1). 5 m/sec2). 50 m/sec3). 40 m/sec4). 100 m/sec
For the conversion we multiply km/hr speed with 5/18 so as to get it in m/sec
So, 360 km/hr × 5/18
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1. Two trains of equal length take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction?
2. A train of length 250 m is moving at a speed of 50 m/s. An athlete 200 m ahead of train engine is running at a speed of 25 m/s in the direction in which train is moving. Find out time in which train will completely cross the running athlete.
3. A bullet fired from a rifle travels at an average speed of 2520 km/hr. It hits the target after 0.2 seconds. How far (in m) is the target from the rifle?
4. A man travels a distance of 48 km at 4 km/hr another distance of 48 km at 8km/hr and a third distance of 48 km at 12 km/hr. His average speed for the whole journey (in km/hr) is
5. If a man travels at 40 km/h, he reaches his destination late by 12 minutes but if he travels at 60 km/h then he reaches 12 minutes earlier. The distance travelled by him is:
6. Ajay travels the first 3 hours of his journey at 60 kmph speed and the remaining 5 hours at 24 kmph speed. What is the average speed of Ajay's travel in kmph?
7. If a boat goes a certain distance at 30 km/hr and comes back the same distance at 60 km/hr. What is the average speed (in km/hr) for the total journey?
8. A long 1200 m long train crosses a tree in 120 sec, how much time will it take to pass a platform 700 m long?
9. If a train having length of 30 m crosses a pole of height 10 m with a speed of 1.5 m/s. Calculate the time in which it crosses the pole.
10. A train passes a man standing on a 154 m long platform in 5s. The train takes 12s to completely pass the platform. What is length and speed of the train?
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