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Math type-ish question.


Hippoman789
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Ok so i was wondering about this in the car.

If your running out of gas.

you have 1 gallon exactly left.
you have to get to a gas station.
it is 1 mile away.
your car goes 1 mile per gallon. (its a math problem dont say "ooh wow thats a crappy car.")
Which way is faster?
1\. Going fast and using gas faster.
or
2\. Going slow and using gas slower.
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Thats dumb…

Of course when you go fast you will get there faster..............

Warning - while you were typing a new reply has been posted. You may wish to review your post.

Also he said:
your car goes 1 mile per gallon.

Therefore a slower speed doesnt mean more fuel economy. Its always 1mile/galon
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wait, do you mean mathematically? or physically?

cuz in my personal experience, driving slower uses less gas, because if your speeding up, it uses up more gas during acceleration

i could put that in a mathematical term but i dont wanna use that much brain power :P but yea there is a mathematical proof to my above statement its just too much work to think it over, and im enjoying pie at the moment and i dont want to ruin the moment with math on the mind :P
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but you gotta see the question **within** the question my good sir ;)

think about it this way, as your pushing down on the pedal, your using up more gas, problem is, it needs to use up more gas to reach the speed you want to go

so a person driving 40miles/hr speeds up to 70 miles/hr, thats 30miles/hr acceleration gas wasted
its not just a simple math question, there is also physics to it

if it was that simple, it wouldnt be a trick question :P
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As I said, you are correct. For a real life situation.

He said "your car goes 1 mile per gallon". Had he mentioned a speed, then what you're saying would be valid. If you were going faster, the car would run out of gas, and you would have to walk the remaining distance.

He didn't mention a speed however, therefore, going faster will get you there faster.
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This is Simple. Go Fast with low Revs. It's the rev/sec that actually effects the fuel usage. I know from experience, I've had to test all my cars with this, just for the hell of it.

You can sit on 100 km/hr , with 1200 revs at top gear.
You can sit on 40 km/hr, with 5500 revs in first gear.

The second situation will use more fuel, without getting you very far.
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@[BS:

> Hippoman link=topic=39193.msg380658#msg380658 date=1235285353]
> Well by 1 mile per gallon i meant thats really all you have left.
> im not sure, but renzo wins. he makes most sense.

That makes no sense. You cant have 1mile/galon left.  1mile/galon is not a quantity, its a ratio…...................................
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