In figure 1 there is a charge qt= -2.55mC and qs = 5.50nC in an electric field E= 405 N/C. What distance between qt and qs is necessary in order for the net force on qt to be zero?
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- What is the magnitude of the electric field, E, at point P?A piece of aluminum foil of mass 5.10 ✕ 10-2 kg is suspended by a string in an electric field directed vertically upward. If the charge on the foil is 2.20 µC, find the strength of the field that will reduce the tension in the string to zero.An electron initially at rest is released in a uniform electric field, the electron is accelerated horizontally to the right, traveling 4.77 m in the first 3.24x10-6s after being released, what is the magnitude of the electric field? electron q: 1.602x10-19 c m: 9.11x10-31 kg. Ans in N/C
- A small 4 g plastic ball is suspended by a 23.2 cm long string in a uniform electric field 960 N/C as shown. The ball is in equilibrium when the string makes a 43◦ angle with the vertical. Find the relationship among θ, mg, and q E.X Incorrect. In the figure particle 1 (of charge +1.76 mC), particle 2 (of charge +1.76 mC), and particle 3 (of charge Q) form an equilateral triangle of edge length a. For what value of Q (both sign and magnitude) does the net electric field produced by the particles at the center of the triangle vanish? L. Number i 1.76 Units C/mA sphere is attached to a thread of length L = 21.7 cm and suspended from the ceiling, as shown in the figure. A uniform electric field points to the right in the figure. When ? = 14.3°, the sphere is in equilibrium. Find the net charge on the sphere (in µC). What If? If the electric field is suddenly turned off, what is the speed of the sphere at the bottom of its swing (in m/s)?
- A downward electric force of 3.6N is exerted on a −7.6μC charge. A. Find the magnitude of the electric field at the position of this charge. Express your answer to two significant figures and include the appropriate units. B. What is the direction of the electric field at the position of this charge? Downward or upward?Suppose Q1 = 6.0 nC and Q2 = 7.0 nC (Figure 1). You may want to review (Pages 631 - 635). Figure +2₁ 10 cm 5.0 cm +2₂ y -X Part B What is the direction of the electric field at the position indicated by the dot in (Figure 1)? Specify the direction as an angle measured counterclockwise from the positive x axis. — ΑΣΦ 0 = 8.08 Submit C Provide Feedback Previous Answers Request Answer ? X Incorrect; Try Again; 3 attempts remaining O Next >A 13.0 nC charge is located at × =0 m. Calculate the electric field of that charge atV= 10.0 m. If we would put a negatively charge particle - q=19.0 nC at that location, How muchelectrical force that particle would experience? If the mass of the particle is 10.0 x10^-6 kg. What would be the magnitude anddirection of its acceleration?