A constant electric field accelerated a proton from rest through a distance 2 m to a speed 1.5 x 10^5 m/s. A) find change in protons kinetic energy. B) find change in systems electric potential energy. C) Calculate magnitude of electric field

14- A proton is acted on by an uniform electric field of magnitude 343 N/C pointing in the positive z direction. The particle is initially at rest. (b) Determine the work done by the electric field when the particle has moved through a distance of 3.65 cm from its initial position. ______J(c) Determine the change in electric potential energy of the charged particle.______ J(d) Determine the speed of the charged particle. ______m/s

Consider an unknown charge that is released from rest at a particular location in an electric field so that it has some initial electric potential energy. In what direction will the charge move in regards to its potential energy?   A) a charge will move to regions of lower potential energy, regardless of whether it is positive or negative. B) both positive and negative charges can move toward either higher or lower potential energy C)a positive charge will move to regions of lower potential energy, but a negative charge will move to regions of higher potential energy D)a charge will move to regions of higher potential energy, regardless of whether it is positive or negative. E) a negative charge will move to regions of lower potential energy, but a positive charge will move to regions of higher potential energy

2) Three charges are arranged in the pattern shown. They have equal magnitudes of 1nC but have the signs shown. Three locations, labeled X, Y, and Z, are highlighted. ΟΥ 3 m ox 1 + -4.5E-9 J -3.4E-9 J 0 2 OZ 4 m 4 m i. The electric potential energy stored by this arrangement of charges (using the standard reference point) is A. B. C. D. 1.1E-18 J E. 5.6E-9 J ii. The electric potential at point Y (using the standard reference point) is A. 0.60 V 3 + B. 1.8 V C. 3.0 V D. 6.6 V E. 9.0 V iii. The electric potential at point X (using the standard reference point) is A. 0.15 V B. 2.2 V C. 3.0 V D. 6.6 V E. 9.0 V