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05-10-2017
Mathematics

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A satellite 200 miles above the earth is orbiting the earth once every 4 hrs. How far does the satellite travel in 1 hr

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05-10-2017

Assume the radius of the the earth is ~4000 miles.

radius of orbit = 4000 +200 = 4200 miles

In 4 hrs it orbits 2Pi*r =2pi*4200= 8400pi miles

In 1 hr it would travel (8400pi/4 )

= 2100pi = 6597.3445 miles (exact value)

= 6597 miles ( approximate)

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