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re: Let us ponder a fly in a train
Posted on 5/30/18 at 3:59 pm to tgrbaitn08
Posted on 5/30/18 at 3:59 pm to tgrbaitn08
quote:quote:
it begin to move forward along with the train?
It's got momentum, so It moves forward with the train
DO you actually understand what momentum is?
0
Posted on 5/30/18 at 4:01 pm to toosleaux
Is the train under vacuum?
Posted on 5/30/18 at 4:03 pm to toosleaux
#RipFlyrambe
Posted on 5/30/18 at 4:04 pm to toosleaux
I imagine the air in the cabin starts moving forward with the train after some time, so while the fly will initially move backwards, drag force in the air would stop it before the back wall became a factor.
This post was edited on 5/30/18 at 4:05 pm
Posted on 5/30/18 at 4:05 pm to toosleaux
In this thread: The OT is fricking stupid.
Posted on 5/30/18 at 4:24 pm to toosleaux
I just bought a bug-a-salt, so I don't have to worry about this shite anymore.
Posted on 5/30/18 at 4:34 pm to toosleaux
We need to know what kind of fly before we can solve this.
Posted on 5/30/18 at 4:35 pm to TigerstuckinMS
quote:
In this thread: The OT is fricking stupid.
most people got the answer right
it's an intuitive answer, we've all been in a car and all had a bug in the car before. When you pull off of a red light, you don't have a dead bug on the inside of your back windshield.
Posted on 5/30/18 at 4:40 pm to toosleaux
This is how you time travel.
Posted on 5/30/18 at 4:41 pm to Hester Carries
Posted on 5/30/18 at 4:42 pm to Ross
quote:
it's an intuitive answer, we've all been in a car and all had a bug in the car before. When you pull off of a red light, you don't have a dead bug on the inside of your back windshield
You would if you could accelerate fast enough.
Posted on 5/30/18 at 4:43 pm to slackster
yep. that was a dumb response.
Posted on 5/30/18 at 4:47 pm to Ross
quote:
most people got the answer right
It's my standard response to any thread here that's about math or science.
I don't even read the responses. Most of the time it's right.
This post was edited on 5/30/18 at 4:48 pm
Posted on 5/30/18 at 4:47 pm to Ross
quote:
most people got the answer right
it's an intuitive answer, we've all been in a car and all had a bug in the car before. When you pull off of a red light, you don't have a dead bug on the inside of your back windshield.
What happens if, while sitting in the drivers seat of a 1000+ hp Lamborghini, you toss a golf ball in the air and hit launch control?
Or even more simply:
What happens if a fly is hovering in your car and you are rear ended by an 18 wheeler going 100mph...
Does the fly end up on the back windshield or does it simply float along inside the car?
This post was edited on 5/30/18 at 4:54 pm
Posted on 5/30/18 at 4:55 pm to toosleaux
quote:
that is a product of the seat under your arse moving forward with the car. Remember, this fly is not in contact with the train.
The fly is in contact with the air trapped within the car, the air moves with the train car the fly moves with the air.
Posted on 5/30/18 at 4:59 pm to DownshiftAndFloorIt
quote:
Is the train under vacuum?
No, how would a fly be able to fly in a vacuum?
Posted on 5/30/18 at 5:35 pm to toosleaux
It depends on the rate of acceleration. In the OP hypothetical, the fly is hovering in a train car. If the train car accelerates at a rate typical for a train, it accelerates along with the air within the train car.
If it accelerates like a Sprint missile, that fly is a smear.
Interesting tidbit, if a fly were less dense than the surrounding air, it would actually move forward as the train car accelerates.
If it accelerates like a Sprint missile, that fly is a smear.
Interesting tidbit, if a fly were less dense than the surrounding air, it would actually move forward as the train car accelerates.
Posted on 5/30/18 at 5:44 pm to toosleaux
Correct answer: The train saves on gas by going faster.
Posted on 5/30/18 at 5:52 pm to tigerbutt
Fly is in the air. That air is propelled forward with the train car thus the fly is as well.
Pretend the air is water. The train is filled tightly with water. Something floating in the water would go forward with the train and surrounding water.
Pretend the air is water. The train is filled tightly with water. Something floating in the water would go forward with the train and surrounding water.
Posted on 5/30/18 at 6:57 pm to toosleaux
This question has been answered so I'll add some fly trivia. You can't drown a fly, I've tried it and you can't. After about 5 minutes it'll spring back to life.
This post was edited on 5/30/18 at 6:59 pm
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