B. Shown at right are four points near a positivelycharged rod. Points W and Y are equidistant from therod, as are points X and Z. A charged particle withmass m, = 3 X 10 kg is released from rest at point Wand later is observed to pass point X.1. Is the particle positively or negatively charged?Explain.NoYW IX2. Suppose that the magnitude of the charge on the particle is 2 × 10° C and that the speedof the particle is 40 m/s as it passes point X.a. Find the change in kinetic energy of the particle as it travels from point W to point X.b. Find the work done on the particle by the electric field between point W and point X.(Hint: See part D of section I.)c. Find the electric potential difference between point W and point X.d. If the same particle were released from point Y, would its speed as it passes point Zbe greater than, less than, or equal to 40 m/s? Explain.3. Suppose that a second particle with the same mass as the first but nine times the charge(i.e., 18 X 10° C) were released from rest at point W.a. Would the electric potential difference between points W and X change? If so, how,if not, why not?b. Would the speed of the second particle as it passes point X be greater than, less than,or equal to the speed of the first particle as it passed point X? Explain.

As given rod is already positively charged and the charge is moving away from the rod i.e rod is…

Answered: B. Shown at right are four points near…

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