A Particle with Charge -2.91 nC is at the origin, and a particle with negative charge of magni- tude is at = 49.5cm. A thi Particle with a positive charge is in -quilibrium at x = 20-8cm- het is D2 10
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- homework 1, Q4 Two point charges lie on the x axis. Acharge of +9.0 mC is at the origin, and a charge of -5.3 mC is atx = 10 cm. (a) At what position x would a third charge q3 be inequilibrium? (b) Does your answer to part (a) depend on whetherq3 is positive or negative? ExplainThe figure below shows three small, charged beads, all lying along the horizontal axis. Bead A, at left, has a 6.45 nC charge. Bead B has a 1.40 nC charge and is 3.00 cm to the right of A. Bead C has a-2.05 nC charge and is 2.00 cm to the right of B. 3.00 cm 9 9 -Select- 2.00 cm- Q (a) What is the magnitude (in N/C) of the electric field at a point 2.00 cm to the right of A? N/C (b) A fourth bead with a charge of -5.00 nC is placed at this point. What are the magnitude (in N) and direction of the net electric force on it? magnitude N directionAn electron is aligned horizontally a few nanometers apart from an unknown charge. The unknown charge is attracted to the electron due to electrical attraction. The unknown charge might be a. an electron b. a proton c. a neutron d. either a proton or a neutron e. either a proton or an electron
- 3) A-9.0-uC charge is placed 12.4 cm from a charge q, the force between the two charges is 840 N. What is the value of q?17)Problem 2: Two parallel plates are charged with +Q and -Q respectively as dl shown in the figure, where Q 31 nC. The area of each plate is A 0.022 m*. The distance between them is d-8.8 cm. The plates are in the air Banchi, Stephen-banchis3@students.rowan.edu Otheexpertta.com @theexpertta.com-tracking id: 2N74-2F-82-4A-BAAB-13143. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account Tart (a)_With the information given,_write the equation of the capacitance in terms of Part (b) Solve for the numerical value of C in plF. art (c) With the information given, express the potential difference across the capacitor in terms of Q and C Part (d) Solve for the numerical value of Δ V in V Part (e) If the charges on the plates are increased to 2Q, what is the value of the capacitance C in pF? Part (f) If A is then increased to 2A, d is decreased to d/4, what is…
- Point charges qi -65 µC and q2 = -50 µC are placed 2.0 m apart. What is the force on a third charge q3 = -40 µC placed midway between q1 and q2? Magnitude: F number (rtol=0.03, atol=0) N Direction: towards q2 towards q1 the force is zero3) a)What are the magnitude and direction of the force exerted on a 4.41 pC charge by a 184 N/C electric field that points due east? magnitude direction ---Select- v b) You charge a piece of aluminum foil (mass =7.46 g) by touching it to a charged rod. The charged rod gives the aluminum foil a charge of 13 µC. Your professor brings a charged plate over and tells you to put the aluminum foil on top of the plate. To your surprise the aluminum foil hovers motionless in the air above it! Calculate the value of the electric field from the charged plate (assume it is a uniform field and the aluminum foil is a point charge). magnitude N/C direction -Select-- vCH19 P3 A bare nucleus has 8.0 positive charges and a mass of 5.31?−26 -kg. Include units for all answers. (a) Calculate its kinetic energy in Joules at 14.014.0% of the speed of light. (b) What is this in electron volts? (c) What voltage would be needed to obtain this energy?
- 6| 17 aölJI - 2 uacl X 10 uluilg (-) X Content Google dai X 9 https://blackboard.uob.edu.bh/ultra/courses/ 24065 1/cl/outline Not syncing Remaining Time: 29 minutes, 53 seconds. * Question Completion Status: Consider a uniformly charged ring of radius R-0.2 m and linear charge density 2-3 µC/m as shown in the figure. Find the electric potential (in V) at (p) a distance 0.7 m from the center. 0 0.7 m 3.1x 10* 6.2 x 104 O9.3x 104 7.8x 104 O 4.7x10 7:05 PN 4/3/202 archQ15. In below figure, a small, non-conductor ball of mass m =3.0 mg and charge q = 9.0 µC hangs from an insulating thread that makes an angle e charged non- conductor plane. Considering the gravitational force on the ball and assuming the plane extends far vertically and into and out of the page, calculate the area charge density of the plane. Length of string is 120.0 cm. 30° with a vertical, uniformly lo120cm + Jplone
