In New England, the horizontal component of the Earth's magnetic field has a magnitude of 1.7 × 10-5 T. An electron is shot vertically straight up from the ground with a speed of 4.9 × 106 m/s. What is the magnitude of the acceleration caused by the magnetic force? Ignore the gravitational force acting on the electron.
In New England, the horizontal component of the Earth's magnetic field has a magnitude of 1.7 × 10-5 T. An electron is shot vertically straight up from the ground with a speed of 4.9 × 106 m/s. What is the magnitude of the acceleration caused by the magnetic force? Ignore the gravitational force acting on the electron.
At a certain location, the horizontal component of the earth's magnetic field is 2.4 × 10-5 T, due north. A proton moves eastward with just the right speed, so the magnetic force on it balances its weight. Find the speed of the proton.
The electrons in the beam of a television tube have a kinetic energy of 2.40 × 10-15 J. Initially, the electrons move horizontally from west to east. The vertical component of the earth's magnetic field points down, toward the surface of the earth, and has a magnitude of 2.41 × 10-5 T. What is the acceleration of an electron due to this field component?
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