1.A charge Q, is at point M, 16 M,= -12 M₂ = 20, and a charge Q, is at N(-18, 3, 7) in free space. If distances are given in cm,solve for: A. RMN B. RMN C. Determine the vector force exerted on Qu by Q₁, if the permittivity of free space is equal to 10°/36TT. If the charges are -25μC and 40μC respectively.
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- 78 4.5 K/s l o 19:56 A small mass charged sphere (q= 3 µC ) is attached by an insulating string to the surface of a very large conductor with a surface charge density of o = 46.6 µC. Given that the string makes an angle with the surface equal to 30 degrees, find the tension ( in N) in the string. use ɛo = 8.8542x10-12 F:m¯1. + String + + Select one: А. 47.36 В. 15.79 С. 31.58 D. 62.39 E. 18.23Сopy of Two charges Q1=24µC and Q2=-41µC are placed on a semi-circle with a radius R=14mm as shown in the figure below. How much work must be done to bring a third charge Q3--5µC from infinity to point P. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k=9.0x10° N.m2/c2. Please do not forget the minus sign if your answer is negative. Q2 R Q1 RTwo neutral polar molecules are attracted to each other. Suppose that each of them has a dipole moment p and that these dipoles are aligned along the x-axis and separated by a distance "x". Find the force exerted by the right dipole on the left as a function of "p" and "x". a) -4kp²/x³ i b) 4kp²/x³ i c) -6kp²/x¹i d) 6kp²/x+i e) -2kp²/x³i
- 10Two particles A and B with charges of +16 C and +36 C are separated by a distance of 4 cm. If C is a point that lies between A and B such that the field strength at C is zero. The location of C from A (in cm) is…. OptionA. 1.2B. 1.4C. 1.6D. 1.8E. 2.0 Please answer fast max 15-20 minutes thank u5. 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
- Object A and Object B are charged with -2 coulombs and +52.4 coulombs, respectively. Given that the two objects are separated by 0.98 m, Which of the following statements is/are valid? Select as many options as you deem correct. Note: Selecting an incorrect option may incur a penalty of -10% to -20% of the marks for each question, so be careful with the options you select. E a. Object B repels object A with a force of 1.0 N b. Object A repels object B with a force of 0.1 N c. Object B repels object A with a force of 0.1 N d. Object A attracts object B with a force of 1.0 N e. Object B attracts object A with a force of 0.1 N f. Object A attracts object B with a force of 0.1 N g. Object A repels object B with a force of 1.0 N Oh. Object B attracts object A with a force of 1.0 N #I M NASA BAAA very long insulating cylindrical shell of radius 6.70 cm cames charge of linear density 8.70 μC/m spread uniformly over its outer surface. You may want to review (Pages 765-769) For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of An infinite line charge or charged conducting cylinder What would a voltmeter read if it were connected between the surface of the cylinder and a point 4.80 cm above the surface? 195] ΑΣΦ AV= Submit Request Answer Part B AV- What would a voltmeter read if it were connected between the surface and a point 1.00 cm from the central axis of the cylinder? 1Η ΑΣΦΑ Submit ? Request Answer V ? V1. Let us illustrate the use of the vector form of Coulomb's law by locating a charge of Q1 = 50 nC at A(4, –2,7) and a charge of Q2 = 40 nC at N(6,15,8) in a vacuum. We desire the force exerted on Q, by Q1. 2. A charge QA =-60µC is located at A(6, –4, –7), and a charge Qg = 60µC is at B(4,4,4) in free space. If the distances are given in meters, find: (a) RAB (b) RAB. Determine the vector force exerted on Qa by Qg if €, =: (c)· 10- F/m; (d) 8.854 x 10-12 F/m. 367
- Three point charges are located as shown in the figure. q1 =-9 x 10-12 [C) and d =5 [cm] 92 =1 x 10-12 (C] and d2 = 1 (cm] 93 =-4 x 10-2 (C) and dy = 7 (cm] 93 d3 a. -d of the 92 E d, d, b.- *** 1, the inin. E2 [N/C) e.l Calculate Es, the magnitude of the electric field created by the charge q at the origin E = (N/C] f.L What is the direction of E 1, the electric field created by the charge q at the origin. oi gK... Suppose that: E 3i+3 IN/C E-2i+1 N/C Ey-1i+1 IN/C Calculate the net electric field vector created at the origin (DO NOT USE THE VALUES FOUND IN THE PREVIOUS PARTS) E Î IN/C) h A charge qo equal to -1.6 x 10-19 is located at the origin. The net electric field at the origin and the total force applied on the charge g will have: : Osame direction Oopposite direction ik s]A charge go equal to -1.6x 10-19 is located at the origin, where the net electric field vector is supposed to be Ener "-4 i +4 ĵ IN/C). Calculate the net electric force vector created on go and select its unit…30.0cm, 50.0cm, 80.0cm, 1.00m and 1.2m. Plot the force as a function of d. AND MEC Calculate the Coulomb force experienced by charge q2 due to charge qi for d = 10.0cm, Q. 1 Two-point charges qi(4.0µC) and q2(3.0µC) are placed a distance d apart in vacuum. POUNDED NORMAL UNIVERSITY Department of Physics PHY214 0Υ Test-1 September 20, 2021 Name: AsPa Callens A#: Ao0522oldo Show your work q2 q1Required information In gel electrophoresis, the mobility of a molecule in a particular gel matrix is defined as mu = u_{t} / E where is the terminal speed of the molecule and E is the applied electric field strengthIn one case, a molecule has mobility 2.83 * 10 ^ - 8; Cm / (Ns) and charge-12e How long does it take the molecule to move 210 cm through the gel if the terminal speed of the molecule 1.5 * 10 ^ - 5 * m / s ? min