If 'humanity' created a huge GUN (okay, it would be the US...) that fired 100 kg shells from the surface of the Earth at a speed of 7.97 km/s, the shell's fired could go into orbit... a) What would their orbital altitude be? b) How fast would they be moving while in orbit? c) How long would it take one of the shell's to orbit the Earth 15 times? d) Once in orbit, how much additional energy would have to be given to the shell in order for it to escape Earth's gravitational field?

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Chapter1: Units, Trigonometry. And Vectors
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If 'humanity' created a huge GUN (okay, it would be the US...) that fired 100 kg shells from the
surface of the Earth at a speed of 7.97 km/s, the shell's fired could go into orbit...
a) What would their orbital altitude be?
b) How fast would they be moving while in orbit?
c) How long would it take one of the shell's to orbit the Earth 15 times?
d) Once in orbit, how much additional energy would have to be given to the shell in order for it to
escape Earth's gravitational field?
Transcribed Image Text:If 'humanity' created a huge GUN (okay, it would be the US...) that fired 100 kg shells from the surface of the Earth at a speed of 7.97 km/s, the shell's fired could go into orbit... a) What would their orbital altitude be? b) How fast would they be moving while in orbit? c) How long would it take one of the shell's to orbit the Earth 15 times? d) Once in orbit, how much additional energy would have to be given to the shell in order for it to escape Earth's gravitational field?
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