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Loveline is the greatest radio show ever. I wish it was still on the air around here.

is it bad that i anticipate updates on this situation more than new episodes of Heroes?

No, the only difference is that people usualy think of a prop plane with the prop in the nose, (so at the front pulling) versus jets being on the wings or by the tail (which seems more like pushing) In reality both are creating thrust by being pushed by the air. "For every action there is an...

This is your problem, you are mistaking the entire skate and the wheel of the skate for the same thing. Only the wheels momentum is doubling. The only portion of this momentum that is transfered onto the skate itself is through the friction in the axle of the wheel. I now understand about...

Relative to what? If the conveyor belt then 500mph. If the ground then 250mph. The whole point of the trick in this question is that THE PLANE WILL NOT STAY STATIONARY. Edit: Just to add a little humor.

Galiem honestly... As a Physics major I would expect you to be used to ignoring friction. the lifting force is labeled as Bernouli"s Force, as a physics major I would have thought you might have heard of it. The thrust force is the big arrow with "AIR" next to it behind the plane...

Sonic Booms come off an aircraft in a swept back cone shape. After a certain period after it passes you, you will hear its boom.

Lenardo has it right. The two systems in the question are: #1 Airplane Wheels + Conveyor Belt #2 Jet Engine Thrust + Air These two systems are completely seperate. System #1 can be completely ignored as it has no impact on the aircrafts motion. If you look solely at system #2 the...

Explanation #4: We"re smarter then you. Now smile and nod your head. 0_o?

No, running on a barrel of water is about keeping your balance, and using the friction of the barrel rolling to counteract falling over. This isn"t a case of friction but rather the actual application of the force.

Potam the problem with your visualization is with the application of forces. When a person walks we apply force through out feet to the ground to move forward. A car does the same with tires. In this situation your idea with an escalator like the conveyor belt would work. A jet transfers...

Along with Newton"s Law of Physics you need Bernouli"s principle. Its the basis for lift. Air moving fast has lower pressure. The air flowing over the top of a wing must move faster then the air underneath. This causes low pressure over the wing. Literally the higher pressure air under the wing...