unlike rocket, when the projectile left muzzle, it will be slowdown
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送交者: steven 于 2008-02-03, 09:37:20:
回答: if the projectiles fly at mach 24, then they become satellites 由 百年树人 于 2008-02-03, 07:26:46:
by drag force, hence it won't become a satellite. Even the LEO orbit is about 200 mile, and when the projectile reenters atmosphere like this, it will not be mach 5 because soon, it will reach the terminal velocity when it free fall back.
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