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# Magnetic fields- Solar wind

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The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force. Suppose a charged particle traveling with a speed of 9.0 X 10^6 m/s encounters the earth's magnetic field at an altitude where the field has a magnitude of 1.2 X 10^-7T. Assuming that the particle's velocity is perpendicular to the magnetic field, find the radius of the circular path on which the particle would flow if it were a proton.

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https://brainmass.com/physics/circular-motion/magnetic-fields-solar-wind-93931

#### Solution Preview

The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force. Suppose a charged particle traveling with a speed of 9.0 X 10^6 m/s encounters the earth's magnetic field at an altitude where the field has a magnitude of 1.2 X ...

#### Solution Summary

The solution calculates the radius of the circular path on which a particle moves in a magnetic field.

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