5. An electron enters a uniform electric field moving at 2.0×10° m/s perpendicular to the field, as shown. What is the strength of the electric field that causes the electron to move in the parabolic path indicated? 1.0 cm -10 cm-

5. An electron enters a uniform electric field moving at 2.0×10° m/s perpendicular to the field, as shown. What is the strength of the electric field that causes the electron to move in the parabolic path indicated? 1.0 cm -10 cm-

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An electron has an initial velocity of 4.9 × 106 m/s in a uniform 2.25 × 105 N/C electric field. The field accelerates the electron in the direction opposite to its initial velocity. a. What is the direction of the electric field? b.How far does the electron travel before coming to rest in m? c. How long does it take the electron to come to rest in s? d. What is the magnitude of the electron's velocity (in m/s) when it returns to its starting point in the opposite direction of its initial velocity?
2. Deflecc. A negative point charge -q is immersed in a uniform electric field E = The initial velocity of the charge is v = voî. In what direction will the particle be deflected after it was immersed in the uniform electric field? Use the given coordinate system as reference. y a. î b. j с. d. -j
1. A drop of oil (m = 8.000 × 10 7g) with excess negative charge is suspended between two horizontal charged plates by an electric field of magnitude 1.960 × 108 N/C. The plate spacing is 25.00 cm. (a) What is the direction of the electric force acting on the drop of oil? (Circle one.) Unable to be determined Up Down Left Right (b) What is the direction of the electric field acting on the drop of oil? (Circle one.) Left Right Unable to be determined Up Down (c) Choose the sign of the charge on each plate. (Circle one of each.) Upper plate: Positive Negative Unable to be determined Unable to be determined Lower plate: Positive Negative (d) Find the amount of charge on the drop of oil. (e) Determine the number of electrons stuck to the drop of oil. (f) Determine the voltage across the plates. Which plate is at a higher potential?
A proton enters a region containing a uniform electric field of magnitude 1.02 x 104 N/C, as shown. The entrance velocity is 3.0 x 10° m/s at an angle of 60 degrees with respect to the x axis. At the entrance point, x = 0, and y = 0. y to 60 a) Sketch on the figure, the trajectory (path) of proton as it moves through the region containing the electric field. b) Calculate the acceleration of the proton. Hint: Neglect the effect of gravity. c) Find the time at which proton intersects with the x axis. d) Find the horizontal distance from the origin at the point when the proton crosses the x-axis. e) Find the maximum vertical height (above x axis) attained by the proton.
In the configuration shown in the picture below, what is the total predicted angle for electric field at point a?
5. Two parallel, metal plates with separation distance d=2.00 cm carry charges of equal magnitude but opposite sign. Assume the electric field has a magnitude of 2,000 N/C. A charged particle with mass 2.00x10-16 kg and charge 1.00x106 C is projected from the center of the bottom negative plate with an initial speed of 1.00x105 m/s at an angle of 45 degrees above the horizontal. Assume the plates are square with side length 20.0 cm. a. Where does the particle strike? Answer: b. What is the minimum initial speed the particle must have in order to reach the positive plate. Answer:
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A point charge Q1 = -10.0 nC is at the origin, and a second point charge Q2 = +12.0 nC is on the x axis at x = 0.500 m. Consider the electric fields E, and E, at x = -1.00 m, generated by Q1 and Q2, respectively. Which of the following is true? A. E1 points to the right, E2 points to the left. В. Ei points to the left, E2 points to the right. С. E, points to the left, E, points to the left. D. E1 points to the right, E2 points to the right.
A positive charge of magnitude Q1 = 0.45 nC is located at the origin. A negative charge Q2 = -6.5 nC is located on the positive x-axis at x = 17 cm from the origin. The point P is located y = 17 cm above charge Q2. a) Calculate the x-component of the electric field at point P due to charge Q1. Write your answer in units of N/C. b) Calculate the y-component of the electric field at point P due to charge Q1. Write your answer in units of N/C. c) Calculate the y-component of the electric field at point P due to the Charge Q2. Write your answer in units of N/C.
Two positive charges, q1 = 4 x 10-° [C) and q2 =7 x 10- [C], are separated by a distance of %3D d = 0.06 m. At location 'P' between the two charges, the net electric field is found to be zero. a. Which of the following is correct at location 'P'? OĒ, - Ē, = 0 OĒ, + Ē, = 0 OE, = -E2 b. The distance between charge q and location 'P' is considered to be 'x'. Find the value of 'x': [m] A charge qo = 5x10° [C] is placed at location 'P'. What is the magnitude of the net electric force on charge qo due to q, and q2? Fnet = [N]
A very long uniform line of charge has charge per unit length ₁ = 4.90 μC/m and lies along the x-axis. A second long uniform line of charge has charge per unit length X2 = -2.32 μC/m and is parallel to the x-axis at y₁ = 0.400 m. You may want to review (Page). For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Field of a uniform line charge.
A positive charge of magnitude Q1 = 0.45 nC is located at the origin. A negative charge Q2 = -6.5 nC is located on the positive x-axis at x = 4.5 cm from the origin. The point P is located y = 5.5 cm above charge Q2. Part (a) Calculate the x-component of the electric field at point P due to charge Q1. Write your answer in units of N/C. Part (b) Calculate the y-component of the electric field at point P due to charge Q1. Write your answer in units of N/C. Part (c) Calculate the y-component of the electric field at point P due to the Charge Q2. Write your answer in units of N/C. Part (d) Calculate the y-component of the electric field at point P due to both charges. Write your answer in units of N/C. Part (e) Calculate the magnitude of the electric field at point P due to both charges. Write your answer in units of N/C. Part (f) Calculate the angle in degrees of the electric field at point P relative to the positive x-axis.