1. Coulomb's Law Three charges q1, q2, and q3 are in a line as shown on the drawing below. What is the magnitude and direction of the net force on the right end charge, q3 ? {Draw and label a coordinate system in the diagram, with axes labeled, before solving this problem.} Given: q1-- 5.0 uC di q2 -+ 7.0 uC q =-8.0 µC d, = 0.60 m d2 = 0,40 m
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- 17 q2 An electron is near a positive ion of charge +9e and a negative ion of charge −8e (see the figure below). (Take a = 4.15 µm, b = 3.76 µm, and ? = 61.0°.) (a) Find the magnitude and direction of the resultant force on the electron. (Let right be the +x-direction. Measure the angle counter-clockwise from the +x-axis.) magnitude and direction (b) Find the magnitude and direction of the electron's instantaneous acceleration (Let right be the +x-direction. Measure the angle counter-clockwise from the +x-axis.) magnitude and directionChapter 5 Problems Score: 29/33 14/16 answered Question 7 Point charges q₁ = 45 μC and q2 = -75 μC are placed 1.8 m apart. Hint a. What is the force on a third charge 93 5 μC placed midway between ₁ and 92? Force on q3 is N, in Select an answer b. Where can q3 be placed so that the net force on it is zero? If q3 is placed Select an answer Submit Question ✓, at a distance of m from q₁, the net force on it will be zero. Question Help: Message instructorFigure 4₂--2.09 1 of 1 d 43 = -3.04 4 = -4.0 Part A Find the direction and magnitude of the net electrostatic force exerted on the point charge in the figure out 4-+20C and d-35cm Express your answer using two significant figures
- Charging neutral objects After rubbing two neutral objects A and B, object A is charged with a total charge of qA = -6.78x 10-4C. 1. State which object is the donor, why? 2. Using the Conservation of charges laws, determine the charge of the object B 3. Find the total number of particles (types) of each object after rubbing.Identical point charges of +2.2 µC are fixed to three of the four corners of a square. What is the magnitude lg of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force of zero? lg = Number i eTextbook and Media Units Save for Later Using multiple attempts will impact your score. 50% score reduction after attempt 3 Attempts: 0 of 4 used Submit AnswerReview I ConstantS Periodic Table An electric dipole is formed from + 3.0 nC point charges spaced 3.0 mm apart. The dipole is centered at the origin, oriented along the y-axis. Part A What is the electric field strength at point (x, y) = ( 25 mm , 0 cm)? Express your answer using two significant figures. ΑΣφ ? E N/C Submit Request Answer Part B What is the electric field strength at point (x, y) = (0 cm, 25 mm ) ? Express your answer using two significant figures. ΑΣφ ? E N/C
- Question 2 The figure below shows three point charges that lie in the x,y plane Determine the magnitude and dırection of the net electrostatic force on q1, if q1 = +4 µC, q2 = -6 µC and q3 = -5 µC 93 0 15 im 73° 0 10 m 923Question 11 Two balls with charges +Q and +4Q are separated by 3R as shown below. What will be the net force acting on another charged ball of +Qo placed at the location d (=2R) on the line between the two charges? Use k = electrostatic (Coulomb's) constant. A. B. 15 kQQ 4 R² 15 kQQo C. +Q D. 4 R² 7 kQQ⁰ 2 R² 7 họ 2 R² E. Zero force b R to the left to the right to the left to the right 1 3R d 2R +4Q