subsonic motion
31Supersonic — For other uses see Supersonic .The term supersonic is used to define a speed that is over the speed of sound (Mach 1). At a typical temperature like 21 °C (70 °F), the threshold value required for an object to be traveling at a supersonic speed… …
32Magnus effect — The Magnus effect, demonstrated on a ball. v represents the wind velocity, the arrow F the resulting force towards the side of lower pressure. The Magnus effect is the phenomenon whereby a spinning object flying in a fluid creates a whirlpool of… …
33External ballistics — is the part of the science of ballistics that deals with the behaviour of a non powered projectile in flight. External ballistics is frequently associated with firearms, and deals with the behaviour of the bullet after it exits the barrel and… …
34N-Gage (service) — N Gage 2 and second generation N Gage redirects here, for the redesign of the N Gage console, see N Gage QD. The new N Gage logo …
35North American XB-70 Valkyrie — XB 70 Valkyrie X …
36Ennio Morricone — Morricone at the 2007 Cannes Film Festival Background information Also known as Maestro …
37flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
38Lift (force) — For other uses, see Lift. Boeing 747 8F landing A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the …
39Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …
40Magnetosphere of Jupiter — Discovery[1] Discovered by …
