Will the plane fly?
Elder User
Joined: Jan 2004
Posts: 925
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From: northwest,sc
I have beenin the minority before.
When I think I am right I will say so till the cows come home.
I mean no offence to any member who has a different openion than I and I am not gonna do any name calling.
If we all thought the same, we would still be living in caves.
When I think I am right I will say so till the cows come home.
I mean no offence to any member who has a different openion than I and I am not gonna do any name calling.
If we all thought the same, we would still be living in caves.
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
You didn't mean any offense when you said that you were going to type slow so I could understand? Ok - glad we got that cleared up then. 
Now explain where this backward force is coming from.
Now explain where this backward force is coming from.
Government Teat-sucker
Joined: Oct 2003
Posts: 9,748
Likes: 1
From: Virginia Beach
Think waaaay back to Wolfie's analogy of the hovercraft:
It is designed to float on a cushion of air (ie, free spinning wheels) and to be able to move upstream (ie, a conveyor belt) on that cushion of air, regardless of how fast the current (conveyor belt) is moving in the opposite direction.
The fly in the cab of the truck going 65mph was a good one. rep
It is designed to float on a cushion of air (ie, free spinning wheels) and to be able to move upstream (ie, a conveyor belt) on that cushion of air, regardless of how fast the current (conveyor belt) is moving in the opposite direction.
The fly in the cab of the truck going 65mph was a good one. rep
Postmaster
Joined: Jul 2003
Posts: 2,628
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From: Calgary, Canada
Ponder this; what would happen if the plane came in for a landing, on a conveyor belt that was going exactly as fast, in reverse, as the plane was moving forward.
According to the disbelievers logic, the plane would instantly come to a dead stop.
According to the disbelievers logic, the plane would instantly come to a dead stop.
Government Teat-sucker
Joined: Oct 2003
Posts: 9,748
Likes: 1
From: Virginia Beach
Originally Posted by andym
Are you back from the sandbox yet?
1 (very long) week to go.
Ponder this; what would happen if the plane came in for a landing, on a conveyor belt that was going exactly as fast, in reverse, as the plane was moving forward.
According to the disbelievers logic, the plane would instantly come to a dead stop.
According to the disbelievers logic, the plane would instantly come to a dead stop.
Last edited by stu37d; Jan 5, 2007 at 01:45 PM.
Laughing Gas
Joined: Dec 2003
Posts: 796
Likes: 1
From: KCMO
While the people on this plane were waiting to see if they would ever take off, they were served some beverages. One guy got a glass of water with a large ice cube floating in it. The glass was so full, that not one more drop of water would fit, without spilling.
During the long wait, the air conditioner stopped working, causing the ice cube to melt (it would have melted any way, but I gotta hurry in case the plane takes off). What happens to the water level in the glass as the ice completely melts?
During the long wait, the air conditioner stopped working, causing the ice cube to melt (it would have melted any way, but I gotta hurry in case the plane takes off). What happens to the water level in the glass as the ice completely melts?
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Posting Guru
Joined: Sep 2003
Posts: 2,231
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From: Valley of the Sun AZ
Originally Posted by pchristman
While the people on this plane were waiting to see if they would ever take off, they were served some beverages. One guy got a glass of water with a large ice cube floating in it. The glass was so full, that not one more drop of water would fit, without spilling.
During the long wait, the air conditioner stopped working, causing the ice cube to melt (it would have melted any way, but I gotta hurry in case the plane takes off). What happens to the water level in the glass as the ice completely melts?
During the long wait, the air conditioner stopped working, causing the ice cube to melt (it would have melted any way, but I gotta hurry in case the plane takes off). What happens to the water level in the glass as the ice completely melts?
Postmaster
Joined: Jul 2003
Posts: 2,628
Likes: 0
From: Calgary, Canada
I'm thinking it will go up and overflow because some of the ice cube will be over the top rim of the glass, but the density also changes so maybe it will stay the same and not go up or down... hmm, scratches head.
hmm,
the density of the ice cube should be consistent throught the whole ice cube so, I believe the water level will remain at the top of the glass.
hmm,
the density of the ice cube should be consistent throught the whole ice cube so, I believe the water level will remain at the top of the glass.
Laughing Gas
Joined: Dec 2003
Posts: 796
Likes: 1
From: KCMO
The ice floats, because it (the water in the ice cube) has expanded, and the density of the cube is less than that of the water. Objects that float displace an amount of water equal in weight to the object. However, objects that don't float (the melted water from the cube) displace an amount af water equal to their volume.
Post Fiend
Joined: Sep 2006
Posts: 14,325
Likes: 14
From: Island Southeast Alaska
Ice cubes or not. The conveyor can be rotating the aircraft tires at 200 miles an hour. And If the plain is somehow held stationary. The Plane will not fly. But it may well blow a tire or brg.