-5 nC You wish to place a charge at A, which when released will move away from the two charges shown, and then determine the speed of the charge when it gets an infinite distance away from the two charges. The rectangle is 18.4 cm high and 21.9 cm wide. In order for the charge placed at A to move to infinity, you must use O an electron O a proton When released, approximately which direction will the charge initially accelerate? Image an analog clock face placed at A with 12 o'clock upward. toward 7 vv o'clock How fast will the charge be moving when it gets an infinite distance from the two charges? X m/s

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Question 14 of 35 A particle that carries a net charge of-41.8 uC is held in a constant electric field that is uniform over the entire region. The electric field vector is oriented 25.2° clockwise from the vertical axis, as shown in the figure. If the magnitude of the electric field is 4.32 N/C, how much work is done by the electric field as the particle is made to E move a distance of d = 0.556 m straight up? d. 25.2° work: J What is the potential difference AV between the particle's initial and final positions? AV =

MC4. A proton is located close to a very large plane of (uniformly-distributed) negative charge. How will the proton behave when it is released at that location? O a. The proton will move towards the plane of charge at constant speed. O b. The proton will move parallel to the plane of charge at constant speed. O c. The proton will move towards the plane of charge at constant acceleration. O d. The proton will move away from the plane of charge at constant acceleration. O e. The proton will move away from the plane of charge at constant speed.

h=4.3×10-3m Determine the initial force exerted on the dust particle by the fixed charge.

A particle of mass m and charge q is dropped from the height of h towards a point charge Q, which lies on the ground. What is the minimum distance between the charges? Your should be in terms of m, q, Q, h, g) Hint: Using conservation of energy will make your life easier!

MY NOTES mo parallel plates having charges of equal magnitude but opposite sign are separated by 32.0 cm. Each plate has a surface charge density of 31.0 nC/m². A proton is released from rest at the positive plate. (a) Determine the magnitude of the electric field between the plates from the charge density. KN/C (b) Determine the potential difference between the plates. V (c) Determine the kinetic energy of the proton when it reaches the negative plate. J (d) Determine the speed of the proton just before it strikes the negative plate. km/s (e) Determine the acceleration of the proton. m/s2 towards the negative plate (f) Determine the force on the proton. N towards the negative plate (g) From the force, find the magnitude of the electric field. KN/C W S # 3 E D 20 R F % 5 F6 MacBook Air 6 G 7 F7 H 8 K

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refer to graph to anwer what charge distribution would produce...