Aircraft Definition and 354 Threads

I am trying to gain an understanding of how Stealth technology defeats conventional radar, and wondering about strategies to get around it. In addition to explaining the basics of the Stealth technology, can someone explain why the planes are not simply detected by infrared sensitive devices...

A jet airliner moving initially at 795 mph to the east where there is no wind moves into a region where the wind is blowing at 140 mph in a direction 56 degrees north of east. What is the new speed of the aircraft with respect to the ground? Answer in units of mph. how can i start this off

Can someone tell me what would happen if you made an oval light aluminum container, filled it with lighter than air compressed gas like helium, strapped a rocket to the end of it, and sent it flying. Let's say you add a rudder or tale to the end of it and then a gyroscope to the center of it...

Just a little question again. Which law explains the best why an aircraft can fly? A The ideal gas law of Boyle Gay Lussac. B The secound law of Newton. c The basic law of aerodynamics of Bernouilli.