with trained fighter pilots capable of withstanding 9g for one or two seconds before blacking out. The Darkstar flying at Mach 10 would roughly achieve a force of 34g, which is almost guaranteedto kill a human. Of course, this is all theoretical, as the effects of 34g have never been o...
Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of Mach 1 and anything Mach 5 or above is considered hypersonic. While the speed of sound changes depending on temperature and...
How fast is 65 mph in meters per second? What is supersonic speed? How fast (in meters/second) is an object moving on the Earth if its speed is specified as Mach 0.4? How fast (in meters/second) is an object moving on the earth if its speed is specified as Mach 0.6? What is ...
If your piston engine is powering a plane, that limits how fast it can fly, how much lift it can make, how big it can be, and how much it can carry.Photo: Piston engine: One way to make lots of power, consistently, is to use lots of cylinders. This classic Bristol Jupiter piston...
That’s as many as 40,000 lightning moves in a single night! Is lightning faster than sound? Lightning and thunder arise at an equal time. But you be aware of lightning before you pay attention to thunder due to the slight, which travels one million instances quicker than sound and arrive...
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Well, at the pressures and temperatures generated at Mach 2.5+, most jet engines become hugely impractical -- and utterly pointless. Even if you could make one work, doing so would combine the hazards of running a windmill in a hurricane with the pointlessness of hauling a wave machine to ...
Why I need this, I don't know; if it wants to run in the background every so often, fine, but it keeps giving me a crash report message (in fact, one popped up as I was typing this). It seems to crash once every ten minutes or so, and has persisted through several restarts....
SYNC® will read incoming text messages to you while your vehicle is in motion. SYNC can translate commonly used abbreviations such as LOL. When your vehicle is stopped*, you can choose among 15 preset messages to reply to your messages.27 *Note: Downl
How fast (in meters/second) is an object moving on the earth if its speed is specified as Mach 0.6? How Long would it take to travel a light year at one-tenth the speed of light? How fast must a 2.0 meter-long stick be moving if its length is ...