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Lesson_2.2_Homework

# Lesson_2.2_Homework - Lesson 2.2 Homework 1 At what...

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Lesson 2.2 Homework 1. At what distance from a proton is the magnitude of the electric field due to the charge on it equal to 1.8 × 10 -4 N.C -1 ? 2. A uniform electric filed of 500 N.C -1 exists inside a physics lab. A 60- kg professor enters the room carrying with him an insulated massless metal conductor having 1.2 C of excess positive charge on it. (i) What is the magnitude of the force acting on the professor carrying the charge? (ii) If the coefficient of kinetic friction between the floor and the professor’s shoes is 0.62, what is the acceleration on the professor caused by this force? (iii) If the room is 10 m wide, what is the kinetic energy of the professor when he reaches the other end of the room? 3. a +3 μ C charge is located at the origin and a –2 μ C is located at the point (0 m, 3 m). (i) Find the total electric field at the point (4 m, 0 m). (ii) If a charge q = 4 μ C is placed at (4,0) what is the force on it? 4. The electron in the ground state of a hydrogen atom is 5.29 x 10 -11 m away from the nucleus which a proton. (i) What is the electric field of

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Lesson_2.2_Homework - Lesson 2.2 Homework 1 At what...

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