Find the electric field cverywhere due to a uniform spherical charge distribution. the charge density is p(p0) and the radius of the sphere is r. a very small negative point charge,-e, and massm is placed on the surface of this charge distribution. determine the motion of this smal negative point charge assuming that it is free to move through the charged sphere without affecting the uniform charge distribution.

16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.