_1. For the following diagram, what is the direction of the deflecting force if the particle is: A. B. a proton. a fluoride ion. S N
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- The permanent electric dipole moment of the water molecule (H₂O) is 6.2 x 10-30 C. m. Part A What is the maximum possible torque on a water molecule in a 4.6x×108 N/C electric field? Express your answer using two significant figures. ΠΟΠ ΑΣΦ VE Submit Request Answer ? N•mA proton is traveling horizontally to the right at 5.00×106 m/s . A) Find the magnitude of the weakest electric field that can bring the proton uniformly to rest over a distance of 3.40 cm. B) How much time does it take the proton to stop after entering the field? C) What minimum field magnitude would be needed to stop an electron under the conditions of part A? What is the direction of the field?You are in lab class, recording your observations. Your lab partnerbrings a negatively charged metal rod close to an uncharged metalball hanging from a string, approaching the ball from the right.Without physically touching the hanging ball, the ball moves to theright towards the rod. When you bring the rod closer, it touchesthe ball, and then immediately the ball moves away from the rod,as far away from the rod as the string allows. a.) Sketch and describe using words the charge distribution on theball in the presence of the rod, before the rod comes into contact with the metal ball. b.) Using the sketch of charges you made, explain why the ball moves to the right towards the rod (beforethere is any contact between the ball and the rod). Specifically include a discussion of the net force onthe ball. c.) Explain what happens when the ball touches the rod, and why the ball then moves away from therod. Specifically include a discussion of the net force on the ball.
- Two small metallic spheres, each of mass m = 0.15 g, are suspended as pendulums by light strings from a common point as shown in the figure below. The spheres are given the same electric charge, and it is found that they come to equilibrium when each string is at an angle of 0 = 4.8° with the vertical. If each string has length L = 40.0 cm, what is the magnitude of the charge on each sphere? L m Your response differs from the correct answer by more than 10%. Double check your calculations. nCВ What direction is the force on a negative charge when entering a uniform B field in the direction indicated? Up Out of the page Left Down Right Into the page ОООО ООA Ca2+ beam is bent in a circle of radius r by a uniform field B. What is the speed of the ions? reB/mca Or2eB/mca O reB/mp O r2eB/mpTwo electrons in a vacuum exert force of F = 4.63E-08 N on each other. They are then moved so that they are separated by x = 6.4 times their original distance. a. What is the force, in newtons, that the electrons experience at the new separation distance? b. How far apart, in meters, were the electrons originally?C) C D) D 5. A neutron is initially moving to the right with velocity v as shown in the figure and enters a uniform electric field directed upwards, as shown in the figure. Which trajectory (X, Y, Z, or W) will the neutron follow in the field? E A) trajectory W B) trajectory X C) trajectory Y D) trajectory ZWhat is the radius of its path?2. A proton is traveling north through a uniform B-field that is also directly northward. Which of the following is true? A. The proton will not accelerate B. The proton will speed up C. The proton will slow down D. The proton will move is a circleFour equal charges (all +q) are placed on the corners of asquare with side length a. a.) Find an algebraic expression for the magnitude of theelectric force felt by the charge in the lower left-hand corner(circled) due to the other charges. b.) Make a sketch of the electric field lines associated with this charge distribution. Be sure to draw linesboth inside and outside the square.SEE MORE QUESTIONS