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# find the speed of the train if it is 160 meters long and passes a static pole in 12 seconds

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### Mohammed

Guys, does anyone know the answer?

get find the speed of the train if it is 160 meters long and passes a static pole in 12 seconds from screen.

## A 160 metre long train speeds past a pole in 16 seconds. Find the speed of the train?

A 160 metre long train speeds past a pole in 16 seconds. Find the speed of the train?

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A 160 metre long train speeds past a pole in 16 seconds. Find the speed of the train?

Question

A 160 metre long train speeds past a pole in 16 seconds. Find the speed of the train?

A 35 kmph B 37 kmph C 36 kmph D 38 kmph E 46 kmph Open in App Solution

The correct option is E

36 kmph Speed = 160 16 = 10 m/s = 36 kmph Suggest Corrections 0

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स्रोत : byjus.com

## A train crosses a pole in 12 seconds. If the length of a train is 160 meters, what is the speed of the train in kmph?

Answer (1 of 3): The length of the train i.e 160m takes 12 secs to pass a point (pole). So, if it takes 12 secs to cover 160m, how many meters can the train travel in, 1 hour = 60 min x 60 sec = 3600 secs? => 160 x 3600/12 = 48,000 m/hr = 48 km/hr

A train crosses a pole in 12 seconds. If the length of a train is 160 meters, what is the speed of the train in kmph?

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Sort Saumen Dutta

B.Tech in Mechanical Engineering, Vellore Institute of Technology, Vellore (Graduated 2019)3y

Okay, so the length of the train is 160m, that means when the first point of the train reaches the pole, it further has to travel 160m so that the last point of the train crosses the pole.

So the distance travelled, d= 160m

This distance is covered in, t= 12sec

So, the speed of the train, v= d/t=160/12=13.33m/s=13.33*(18/5)=48km/hr

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The length of the train i.e 160m takes 12 secs to pass a point (pole).

So, if it takes 12 secs to cover 160m, how many meters can the train travel in, 1 hour = 60 min x 60 sec = 3600 secs?

=> 160 x 3600/12 = 48,000 m/hr = 48 km/hr

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x.overline.network Manish Kumar

BSc in Mathematics (college major) & Physics, Indira Gandhi National Open University (IGNOU)Author has 202 answers and 367.4K answer views3y

Train crosses a pole in 12 sec. it means train crosses its own length.

i.e. train covers 160 m in 12 sec.

So the speed of train = 160/12 = 40/3 m/s

In km/hr, 40/3 * 18/5 = 8*6 = 48 km/hr.

Satya Parkash Sud

M.Sc. in Physics & Nuclear Physics, University of Delhi (Graduated 1962)Author has 5K answers and 14.2M answer views1y

Related

A 300 m long train crosses a platform which is three times of its length in 6 minutes. What is the speed of the train?

The length of the train = 300 m (given)

The length of the railway platform = 3 × length of the train (given) = 3 × 300 m = 900 m

The length of the train plus platform = 300 m + 900 m = 1200 m

Time taken by the train to cover 1200 m = 6 minutes

Distanceccovered by the train in 1 minutes = 1200 m/6 minutes = 200 m

Distance covered by the train in 60 minutes = 200 × 60 = 12000 m

Speed of the train = 12000 m/hour = 12 km/h

Manav M Nair

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A train 108 meters long passes an electric pole in 20 seconds. What is the speed of the train?

So... A train passing the pole is equivalent to saying that the pole is passing the train

And the speed with which the train moves towards the pole is the speed with which the pole moves towards the train...

In the train's frame, the pole covers 108m in 20seconds. So the speed of the pole is 108/20 = 5.4m/s which also happens to be the actual speed of the train

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A train whose speed is 75 km/hr crosses a tree in 12 seconds. What is the length of the train?

75 km/h = 20.83 metre per second

In 12 second distance covered by the engine

12 * 20.833 = 250 meters below

Shakshi Kumari Maurya

Studied at May Flower SchoolAuthor has 81 answers and 30.3K answer views1y

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A train which is 264 meters long passes a pole in 24 seconds. What is the speed of the train?

Length of train = 264m

Time taken = 24sec

Therefore, speed of train = length of train/time taken

= 264/24

=11 meter per second

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A train which is 264 meter long passes a pole in 12 seconds. What is the speed of the train?

length of train=264m

it cross a pole in 12 second

स्रोत : www.quora.com

## [Solved] A train 250 meters long passes a pole in 12 seconds. The spe

We know that, Formula∶ Speed = Distance/Time Now, Speed = 250/12 ⇒ Speed = 125/6 m/s ⇒ Speed = 125/6 × 18/5 km/hr

Home Quantitative Aptitude Speed Time and Distance Problem on Trains Train Crossing a Stationary Object or Man

## A train 250 meters long passes a pole in 12 seconds. The speed of train is∶

This question was previously asked in

DSSSB Special Educator 2014 (PRT) Official Paper

View all DSSSB Papers >

25 km/hr 68 km/hr 72 km/hr 75 km/hr

Option 4 : 75 km/hr

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## Detailed Solution

We know that,

Formula∶ Speed = Distance/Time

Now, Speed = 250/12 ⇒ Speed = 125/6 m/s

⇒ Speed = 125/6 × 18/5 km/hr      [∵ 1 m/s = 18/5 km/hr]

∴ Speed = 75 km/hr

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## More Problem on Trains Questions

Q1.  A train having a certain length of x m covers the two different platforms having lengths of 140 m and 180 m in 18 sec and 20 sec, respectively. Find speed of train (in kmph).Q2. Two trains of lengths 120 m and 180 m respectively running in opposite directions at a speed of 50 km/hr and 40 km/h respectively. In what time will they cross each other?Q3. ‘X’ is travelling at 54 km/hr on a highway while ‘Y’ is travelling at a speed of 20 metre/sec. What is the difference in their speeds in metre/sec?Q4. A train 200 meters in length passes a pole in 10 seconds and another train of the same length travelling in the opposite direction passes in 8 seconds. Find the speed of the second train.Q5. A train 70 metres long travelling at 50 km/hr passes through a station whose platform is 80 metre long. How much time does the train take to pass the platform?Q6. A train takes 18 seconds to pass completely through a station 162 m long and 15 seconds through another station 120 m long. The length of the train is :Q7. A train 280 m long, running with a speed of 63 km/hr will pass a tree in :Q8. Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is :Q9. A 100 m long train crosses a pole in 3 seconds. That train will take ______  to cross a platform 165 meters long.Q10. Train A starts from Mumbai at 5.00 AM for Delhi. Train B starts from Delhi at 7.00 AM for Mumbai. Distance between Delhi and Mumbai is 720km. Speed of train B is 60km/hr. Train A can cross a 150m pole in 5 sec. Find the time at which both trains will meet?

## More Speed Time and Distance Questions

Q1.  A train having a certain length of x m covers the two different platforms having lengths of 140 m and 180 m in 18 sec and 20 sec, respectively. Find speed of train (in kmph).Q2. A boat having a speed of 12 Kmph covering a distance of 36 Km in upstream, and a distance of 30 Km in downstream. if the time taken by the boat to cover the distance in up and down is in ratio of 2:1. Find the speed of the stream.Q3. Two trains of lengths 120 m and 180 m respectively running in opposite directions at a speed of 50 km/hr and 40 km/h respectively. In what time will they cross each other?Q4. An express train travelled at an average speed of 100 km/h stopping for 3 minutes after every 75 km. How long did it take to reach the destination 600 km from the starting point?Q5. An object travels 9 metres in 3 seconds and then another 23 metres in 5 seconds. What is the average speed of the object ?Q6. A bus moving at a speed of 24 m/s begins to slow at a rate of 3 m/s each second. How far does it go before stopping ?Q7. In covering a certain distance, the speeds of A and B are in the ratio 3 ∶ 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is:Q8. ‘X’ is travelling at 54 km/hr on a highway while ‘Y’ is travelling at a speed of 20 metre/sec. What is the difference in their speeds in metre/sec?

स्रोत : testbook.com

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Mohammed 15 day ago

Guys, does anyone know the answer?