Both planes would create a sonic boom. The boom is a pressure wave. The pressure wave is not aware of the relative speed of the two planes. The slower plane would hear the boom when then cone ...

Often the police helicopter is out looking for the target. A circle is a search pattern. News typically has a known target they just need a shot of.

At an absolute fixed position you would see the earth move at 1 inch altitude. But you would need to traveling 1000 mph relative to the surface of the earth to hold a fixed position relative to the ...

It would not explode it would combust. It would combust at a different rate from jet fuel but unless it was at large quantities (like in the fuel not just sucked off the plane) it should not cause ...

It is kind of the reverse of burning tires on a car. There is a limit to static friction and tires spin. Even when they spin there is kinetic friction. When the tires spin they get hot from friction ...

You mean a dirigible as in lighter-than-air aircraft? So it has a long loiter time - it has to get the load up there A lighter-than-air aircraft is not designed for a payload Nitrogen is about 5....