In this section you will estimate particle drift velocities for a proton near the geomagnetic equator. Use th proton kinetic energy (KE) = 1 MeV; pitch angle a = 90°; altitude z = 3 Rearthi B(r) = B, x (Rearth /r); where Bo = 0.3 Gauss and r=z+ Rearth g(r) = g, × (Rearth /r)2; where g. = 9.81 m/s²
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