10. 2074 Set B Q. No. 4a Different charges q1, q2,q3. are placed
at r1, r2, r3,
respectively in an electrostatic field. Write
expressions for the total electric potential and intensity at R
in proper notations. r1, r2, r3 ... and R refer to the distances
from origin of the field (or space).
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Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.