A point charge `q_1 =-5.8muC` is held stationary at the origin. A second point charge `q_2=+4.3muC` moves from the pont `(0.26m 0,0)` to `(0.38m, 0, 0)`. How much work is doen the electric force on `q_2`?

A point charge q_1 = -1.0 muC is held stationary at the origin. A second point charge q_2 = + 2.0 muC moves from the point (1.0 m, 0, 0) to (2.0 m, 0, 0) . How much work is done by the electric force on q_2 ?

A point charge q_1=+2.40muC is held stationary at the origin. A second point charge q_2=-4.30muC moves from the point x=0.150 m, y=0 to the point x=0 0.250 m, y=0.250 m. How much work is done by the electric force on q_2 ?

A point charge q_1 =1.0muC is held fixed at origin. A second point charge q_2 = -2.0 muC and a mass 10^-4 kg is placed on the x-axis, 1.0 m from the origin. The second point charge is released from rest. What is its speed when it is 0.5 m from the origin?

A point charge q_1=9.1muC is held fixe at origin. A second pont charge q_2=-0.42muC and a mass 3.2xx10^-4kg is placed on the x-axis, 0.96m from the origin. The second point charge is released at rest. What is its speed when it is 0.24m from the origin?

A point charge q_1 is held stationary at the origin. A second charge q_2 is placed at a point a, and the electric potential energy of the pair of charges is -6.4 xx 10^-8 J . When the second charge is moved to point b, the electric force on the charge does 4.2 xx 10^-8 J of work. What is the electric potential energy of the pair of charges when the second charge is at point b?

A point charge q_1 = + 2muC is placed at the origin of coordinates. A second charge, q_2 = - 3muC , is placed on the x-axis at x = 100cm . At what point (or points) on the x-axis will the absolute potential be zero?

A charge q = -2.0 muC is placed at origin. Find the electric field at (3 m, 4 m, 0) .

A charge q_(1) = 2.00 mu C is located at the origin , and a charge q_(2) = - 6.00 mu C is located at ( 0,3.00 ) m . (a) Find the total electric potential due to these charges at the point P hose coordinates are ( 4.00,0) m . ( b) Find the change in potential energy of the system of two charges plus a charge q_(3)= 3.00 muC as the latter charge moves from infinity to point P .

A positive point charge q_(1) is placed at (a,0) and another positive point charge q_(2) is placed at (0,a) . Find the force acting on q_(1) .

Consider a spherical surface of radius 4 m cenred at the origin. Point charges +q and - 2q are fixed at points A( 2 m, 0,0) and B( 8 m, 0, 0), respectively. Show that every point on the shperical surface is at zero potential.