a) How much energy did it take to assemble these ch b) What are the x. y, and z components of the electri ) What is the electric potential Fat point P. taking )A fourth charge of +Q is brought to P from. of the force Fthat is exerted on it by the

Iwolpositive charges qiland q2 are aligned along the x axis land separated byl distance d as shown in figure. q1lis located at the origin. The net electric field due to the particles is zero at x=d/4. If qı= 2 µCthen a) Find the magnitude of the charge q2 b) Find the electrical potential at x=d/2 due to two sharges qıland q2 if d= 2 m. µ=10-6 ik=8.99 109 N/m2C2 12 -d -

are the charge A helium nucleus, called an alpha particle, has a charge of 2e and mass of 4mp, where e and and mass of a proton, respectively. mp Starting from rest, a proton and an alpha particle are accelerated through a constant electric field E. After a time At, which particle has more kinetic energy? O (a) The alpha particle O (b) They have the same kinetic energy O (c) The proton

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If a charge (9₁)-Ze is traveling from rest to a point where the potential is 2x10³ r. a) find the charge in q: electrical potential energy. b.) What is q' Kinectic energy c.) What is q₁ Kinetic energy in Joules.

King, on one part of his undergraduate thesis in BS Physics, studied the properties of a material that acts as a natural battery. The material produces 1100 V under standard temperature and pressure. A parallel plate capacitor with a distance 3mm between the plates was connected to it. a) Find the electric field between the plates. O 36666.67 N/C O 366666.67 N/C O 3.3 N/C O 3666.67 N/C

At a certain distance from a charged Particle, the Magnitude of the electric field is 530 V/m and the electric potential is -2-40KV Tanswer a) What is the distance to the particle ? meters b) What is the magnitude of the charge? (answer in MC) joul APT

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

A square of side a has a charge +Q at each corner. What is theelectric potential energy of this system of charges?