Force on a Moving Charge: A geophysicist measures the magnetic force on a proton that is moving vertically downward at a point 1.996 km/s at the earth's equator. At that location, the earth's magnetic magnetic field is horizontal and has a strength of 0.40 × 10-4 T. What are the magnitude and direction of the force she will measure? (e = 1.60 × 10-19 C)

What will be an ideal response?


1.3 × 10-20 N, toward the east

Physics & Space Science

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A photon with an energy of E? = 2.090 0 GeV creates a proton-antiproton pair in which the proton has a kinetic energy of 95.0 MeV. What is the kinetic energy of the antiproton? (mpc2 = 938.3 MeV)

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Coal exploitation gives a better return on investment than other fossil fuels

What will be an ideal response?

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