|A charged particle moves along a straight line in a uni- form electric field E with a speed of u. If the motion and the electric field are both in the x direction, (a) show that the acceleration of the charge q in the x direction is given by du qE 3/2 dt m (b) Discuss the significance of the dependence of the acceleration on the speed. (c) If the particle starts from rest at x = 0 at t = 0, how would you proceed to find the speed of the particle and its position after a time t has elapsed?
|A charged particle moves along a straight line in a uni- form electric field E with a speed of u. If the motion and the electric field are both in the x direction, (a) show that the acceleration of the charge q in the x direction is given by du qE 3/2 dt m (b) Discuss the significance of the dependence of the acceleration on the speed. (c) If the particle starts from rest at x = 0 at t = 0, how would you proceed to find the speed of the particle and its position after a time t has elapsed?
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