An accelerated electron An electron is initially at rest. At time t = 0 it is...
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An accelerated electron An electron is initially at rest. At time t₁ = 0 it is accelerated upward with an acceleration of a = 1 x 10¹8 m/s² for a very short time (this large acceleration is possible because the electron has a very small mass). We make observations at location A, x = 15 meters from the electron (see the figure). Electron (a) At time t₂ = 9 ns (109 s), what is the magnitude and direction of the electric field at location. due to the electron? magnitude: [ N/C direction: to the left O zero field O to the right O upwards O downwards (b) At what time t3 does the electric field at location A change? seconds (c) What is the direction of the electric field at location A at time t3? O zero field to the left O to the right O downward O upward X (d) What is the magnitude of this electric field? N/C (e) A positively charged particle was initially at rest at location A. It is released from rest just after time t3. Which of the following are true just after time t3? (Select all that apply.) The positive charge begins to move because there is a force on it due to the radiative electric field. The electric force on the positive charge is toward the electron. The radiative magnetic field at location A is out of the page. There is a magnetic force to the right on the positive charge. The electric force on the positive charge due to the radiative electric field is upward. The positive charge will never be affected by the radiative magnetic field, since the positive charge is always at rest. An accelerated electron An electron is initially at rest. At time t₁ = 0 it is accelerated upward with an acceleration of a = 1 x 10¹8 m/s² for a very short time (this large acceleration is possible because the electron has a very small mass). We make observations at location A, x = 15 meters from the electron (see the figure). Electron (a) At time t₂ = 9 ns (109 s), what is the magnitude and direction of the electric field at location. due to the electron? magnitude: [ N/C direction: to the left O zero field O to the right O upwards O downwards (b) At what time t3 does the electric field at location A change? seconds (c) What is the direction of the electric field at location A at time t3? O zero field to the left O to the right O downward O upward X (d) What is the magnitude of this electric field? N/C (e) A positively charged particle was initially at rest at location A. It is released from rest just after time t3. Which of the following are true just after time t3? (Select all that apply.) The positive charge begins to move because there is a force on it due to the radiative electric field. The electric force on the positive charge is toward the electron. The radiative magnetic field at location A is out of the page. There is a magnetic force to the right on the positive charge. The electric force on the positive charge due to the radiative electric field is upward. The positive charge will never be affected by the radiative magnetic field, since the positive charge is always at rest.
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Given that accelerationa110 18 m s 2 distancex18 m Charge qe 161019 C Now at time ... View the full answer
Related Book For
Modern Classical Physics Optics Fluids Plasmas Elasticity Relativity And Statistical Physics
ISBN: 9780691159027
1st Edition
Authors: Kip S. Thorne, Roger D. Blandford
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