help with physics?? 1 quick question? - Freemason Hirams Travels Masonic Forums

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04-01-2008, 05:19 AM

marshmellows

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help with physics?? 1 quick question?

Assume that Earth's magnetic field is everywhere perpendicular to the path of a proton and that Earth's magnetic field has an intensity of 4.24 x 10^-8 T.
What speed would a proton need to achieve
in order to circle Earth 1600.0 km above the
magnetic equator?
Answer in units of m/s.

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