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Forum » What's faster: A magnetic train going 200 mph or a car going 200 mph?
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Thread: What's faster: A magnetic train going 200 mph or a car going 200 mph?

post 1444954863 05-30-2016, 12:34 PM
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Originally Posted By SwimToTheMoon⏩
The train, for the same reason as 10kg of cotton weighing more than 10kg of metal
not sure if srs. the metal weighs more than the cotton. as for OP's question, it all depends on the external conditions (friction only being one of them). is the experiment done in a vacuum? if so, then magnetism wins hands down. if not, then you have to factor in gravity and other forces. are both accelerating? or starting/stopping at constant speeds. lol @ trying to generalize a question while disregarding an entire field within physics.
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post 1444955023 05-30-2016, 12:35 PM
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The car is faster than the train.

The car is overcoming friction and other forces if they were not being applied to the car it would be going faster. If you applied that friction to train it would be more potato.
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post 1444955273 05-30-2016, 12:37 PM
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Originally Posted By Kraken⏩
It's like the question "What weighs more, a ton of feathers, or a ton of bricks"
i lol everytime i hear that question. most people would say they both weigh the same, because they both are a ton. but i remember from middle school that there's a trick to this, but i don't remember what it is. the answer is the ton of bricks, but i forgot for what reason lol. something to do with density?
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post 1444955343 05-30-2016, 12:37 PM
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Originally Posted By TheFuarkingBoss⏩
The car is faster than the train.

The car is overcoming friction and other forcesif they were not being applied to the car it would be going faster.If you applied that friction to train it would be more potato.
but they are, and they both are still going 200mph, so it doesn't matter

holy fuk
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post 1444955563 05-30-2016, 12:38 PM
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Originally Posted By TheMinimalist⏩
i lol everytime i hear that question. most people would say they both weigh the same, because they both are a ton. but i remember from middle school that there's a trick to this, but i don't remember what it is. the answer is the ton of bricks, but i forgot for what reason lol. something to do with density?
same thing when you ask someone what weighs more, 1 lb of fat or 1 lb of muscle

they both weight the same but muscle is more dense, so muscle will take up less space. Hence why you have people who are in good shape and muscular weigh more than someone who looks bigger but is out of shape and fat
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post 1444956003 05-30-2016, 12:41 PM
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Originally Posted By mrmk5110⏩
but they are, and they both are still going 200mph, so it doesn't matter

holy fuk
That would be true if we were comparing identical cars driving next to each other, or one train traveling the same speed behind another train. Then they'd be going the true same speed. Like if a train going 200mph was traveling behind another train going 200mpn, the second train would never catch up. But if you had a car going 200mph and a train behind it going 200mph, the train would eventually catch up and overtake the car (granted it might take a 100 miles or so).

So when comparing a car to a train there are multiple factors. We start out knowing they're both going 200mph, and from there we then apply all other conditions to determine which has a higher true speed. Whichever has the higher true speed would cover the same distance more quickly. In my opinion it is the train in this situation, all things considered.
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post 1444956183 05-30-2016, 12:42 PM
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Originally Posted By mrmk5110⏩
but they are, and they both are still going 200mph, so it doesn't matter

holy fuk
i think you might be mistaken on this one.

when you drive your car at 45 mph, the s****meter might say 45 mph, but that does not take into account the friction, so in fact, you're ACTUAL speed is slightly slower. also, you have to factor in your tires are probably not racing tires, the wind, and other variables such as turning on roads (curved path can potentially slow you down more, despite maintaining 200mph speed)

the magnetic train wouldn't experience these forces as mentioned above. so that's why i think the train would go faster.
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post 1444956333 05-30-2016, 12:43 PM
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Originally Posted By SomedayIllBeMe⏩
That would be true if we were comparing identical cars driving next to each other, or one train traveling the same speed behind another train. Then they'd be going the the true same speed. Like if a train going 200mpn was traveling behind another train going 200mpn, the second train would never catch up. But if you had a car going 200mph and a train behind it going 200mph, the train would eventually catch up and overtake the car (granted it might take a 100 miles or so).

So when comparing a car to a train there are multiple factors. We start out knowing they're both going 200mph, and from there we then apply all other conditions to determine which has a higher true speed. Whichever has the higher true speed would cover the same distance more quickly. In my opinion it is the train in this situation, all things considered.
my head hurts from this stupidity

again, both objects are going 200 MPH which means that it takes exactly 60 minutes to cover 200 miles. None of what you said means anything if it is stated that both objects are going a consistent 200 mph

I don't think you understand what MPH really means
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post 1444956513 05-30-2016, 12:44 PM
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Originally Posted By TheMinimalist⏩
i think you might be mistaken on this one.

when you drive your car at 45 mph, the s****meter might say 45 mph, but that does not take into account the friction, so in fact, you're ACTUAL speed is slightly slower. also, you have to factor in your tires are probably not racing tires, the wind, and other variables such as turning on roads (curved path can potentially slow you down more, despite maintaining 200mph speed)

the magnetic train wouldn't experience these forces as mentioned above. so that's why i think the train would go faster.
but I am assuming we are saying the actual speed of the car is 200 mph, not what the speedometer shows, because it wasn't stated in the op that the 200mph for the car was what the s****meter was reading.
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post 1444956553 05-30-2016, 12:45 PM
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LOL

It doesn't matter. they are both travelling 200 miles per hour. what else is there to discuss ?
post 1444956563 05-30-2016, 12:45 PM
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The train will be able to better maintain its speed, accelerate and decelerate quicker, and will likely take a more direct route. So though they are both currently going the same speed, it's hard to imagine the car would be the train in a race to anywhere.
post 1444956573 05-30-2016, 12:45 PM
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Originally Posted By Postmort3m⏩
like anybody understands how magnets even work...........
This. Dumb *******s. The train is effectively pulling the earth under it while the car is fighting the rotational mass of the earth. Have you ever taken even an entry level physics class jesus fuk
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post 1444956603 05-30-2016, 12:45 PM
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Originally Posted By TheMinimalist⏩
i think you might be mistaken on this one.

when you drive your car at 45 mph, the s****meter might say 45 mph, but that does not take into account the friction, so in fact, you're ACTUAL speed is slightly slower. also, you have to factor in your tires are probably not racing tires, the wind, and other variables such as turning on roads (curved path can potentially slow you down more, despite maintaining 200mph speed)

the magnetic train wouldn't experience these forces as mentioned above. so that's why i think the train would go faster.
This. It's like how different bars weigh more/less, or how plates with holes weigh less than plates without holes. They might say '45lbs' or be a standard olympic bar, but the true weight varies based on other factors. In this case the car is a 45lb plate with holes, and the train a 45lb plate without holes; both are 45lbs/200mph, but the outcome is different based on additional factors.
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post 1444957023 05-30-2016, 12:47 PM
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Originally Posted By mrmk5110⏩
my head hurts from this stupidity

again, both objects are going 200 MPH which means that it takes exactly 60 minutes to cover 200 miles. None of what you said means anything if it is stated that both objects are going a consistent 200 mph

I don't think you understand what MPH really means
but you have to factor in the friction for the car, which will slow it down
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post 1444957083 05-30-2016, 12:48 PM
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Originally Posted By SomedayIllBeMe⏩
This. It's like how different bars weigh more/less, or how plates with holes weigh less than plates without holes. They might say '45lbs' or be a standard olympic bar, but the true weight varies based on other factors. In this case the car is a 45lb plate with holes, and the train a 45lb plate without holes; both are 45lbs/200mph, but the outcome is different based on additional factors.
then op needs to rephrase the question to say the car speedometer reads 200 mph, and the train speedometer reads 200 mph, which is going faster

the way the op phrased the question he made it sound like the actual speed for both was 200 mph
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post 1444957103 05-30-2016, 12:48 PM
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Originally Posted By mrmk5110⏩
my head hurts from this stupidity

again, both objects are going 200 MPH which means that it takes exactly 60 minutes to cover 200 miles. None of what you said means anything if it is stated that both objects are going a consistent 200 mph

I don't think you understand what MPH really means
Ad hominem attacks aren't going to make the car go any faster.

Miles per hour is mph. However, a car will be diverted left and right as it travels, so some of the distance the car travels in those miles will be horizontal distance, not perfectly forward. This means the car, while traveling the same mph as the train, actually travels less forward miles since some of it's distance is traveled horizontally. It might not be much, but it adds up, and in the end the train will go further and faster even if they're both 200mph. The key fact is that it's a magnetic train so it's going perfectly straight and will travel pure forward distance.
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post 1444957133 05-30-2016, 12:48 PM
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Originally Posted By TheMinimalist⏩
but you have to factor in the friction for the car, which will slow it down
not if it is consistently going 200 mph, the speed is already taking the friction into account

good grief
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post 1444957243 05-30-2016, 12:49 PM
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Are we talking hyperloop? Because that's definitely faster.
Otherwise, a newer car with better technology is faster than the old style magnetic trains.
And about 200% faster than the good ol' railroad trains.
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post 1444957453 05-30-2016, 12:50 PM
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Car can get to 200mph faster then your bitch train, neg
post 1444957513 05-30-2016, 12:51 PM
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post 1444957523 05-30-2016, 12:51 PM
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trump train because it has no breaks.
post 1444957543 05-30-2016, 12:51 PM
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Originally Posted By SomedayIllBeMe⏩
Ad hominem attacks aren't going to make the car go any faster.

Miles per hour is mph. However, a car will be diverted left and right as it travels, so some of the distance the car travels in those miles will be horizontal distance, not perfectly forward. This means the car, while traveling the same mph as the train, actually travels less forward miles since some of it's distance is traveled horizontally. It might not be much, but it adds up, and in the end the train will go further and faster even if they're both 200mph. The key fact is that it's a magnetic train so it's going perfectly straight and will travel pure forward distance.
It is true that a car will do this, but unless otherwise stated we can't 100% assume that this circumstance is true. What if it is self driving and is able to keep the car perfectly straight for the entire time?
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post 1444957593 05-30-2016, 12:51 PM
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Originally Posted By mrmk5110⏩
but I am assuming we are saying the actual speed of the car is 200 mph, not what the speedometer shows, because it wasn't stated in the op that the 200mph for the car was what the s****meter was reading.
the ONLY variable in OP's question is mode of transportation... car vs train. with the way you interpreted the question, OP simply could have said "2 objects move at 200 mph, which one is faster"... now in this case, both would travel as the same speed. but because of the variable, OP gave us something to ponder about, and the keyword is friction. if you don't know what friction means, then i can understand why you'd think they both travel at the same speed.
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post 1444957733 05-30-2016, 12:52 PM
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The train if trump is driving
post 1444957833 05-30-2016, 12:52 PM
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Originally Posted By TheMinimalist⏩
the ONLY variable in OP's question is mode of transportation... car vs train. with the way you interpreted the question, OP simply could have said "2 objects move at 200 mph, which one is faster"... now in this case, both would travel as the same speed. but because of the variable, OP gave us something to ponder about, and the keyword is friction. if you don't know what friction means, then i can understand why you'd think they both travel at the same speed.
I know what friction is. Friction doesn't matter if the actual speed is already stated, the speed has already taken the friction into account. The car and train are going 200 mph after everything else is taken into account.
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post 1444957953 05-30-2016, 12:53 PM
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the train is faster cuz its phallic shape
post 1444958103 05-30-2016, 12:55 PM
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Originally Posted By ­­⏩
Car can get to 200mph faster then your bitch train, neg
You might think that, but in fact the train would get there faster. Think of what requires more effort, a pull or a push? It requires significantly less effort to pull than to push. So apply this to our scenario; the train is literally beingpushedby magnets. The car, however, uses it's tires to pull itself along the road. There is a greater synergy between the magnets, working together, vs the opposite effects of a rubber tire pulling itself across asphalt. Magnet + magnet is far more efficient than tire - asphalt.

It's like a rock climber pushing off the mountain face to reach the top, vs being pulled up by a pully system. Obviously he'll get up more quickly by being pulled up.
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post 1444958253 05-30-2016, 12:55 PM
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Originally Posted By StiffSproles⏩
They are both going 200mph, but the trainhas no frictionsince it's a magnetic relationship with the metal trail and is basically hovering. The car has to deal with friction all the time because there is always a tug with the tire and concrete.

So obviously I believe the magnetic train will travel faster than the car. What do you think?
what kind of stupid chit is this brah?

You trollin mane? or are you autistic mane?

The speed is the same, the energy required to reach that speed in both objects are different though.
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post 1444958273 05-30-2016, 12:55 PM
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You should also factor in the earth's rotation.

A car going 200mph to the west is going 400mph slower than a train going 200mph to the east.
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post 1444958463 05-30-2016, 12:56 PM
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Originally Posted By SomedayIllBeMe⏩
That would be true if we were comparing identical cars driving next to each other, or one train traveling the same speed behind another train. Then they'd be going the true same speed. Like if a train going 200mph was traveling behind another train going 200mpn, the second train would never catch up. But if you had a car going 200mph and a train behind it going 200mph, the train would eventually catch up and overtake the car (granted it might take a 100 miles or so).

So when comparing a car to a train there are multiple factors. We start out knowing they're both going 200mph, and from there we then apply all other conditions to determine which has a higher true speed. Whichever has the higher true speed would cover the same distance more quickly. In my opinion it is the train in this situation, all things considered.
speed is a scalar, independent of direction, so their speeds would be identical.

now if your talking about velocity in the direction of a common endpoint, then you would have a point. But a train takes much longer speed up and slow down, which would give the car a chance to overtake.
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