Onsider a charge −푞located a small distance z above the center of a positively charged ring with total charge +Q and radius R (see example 23.4). Define a coordinate system. Draw a pictorial representation of this physical situation and label any quantities of interest.

two charges are fixed in place on the x-axis as shown. the charge at x = 0 is negative and has magnitude q = 2 μcoulombs (1 μcoulomb = 10-6 coulombs). the charge at x = d, (d = +12 cm), is positive and has magnitude q = 4 μcoulombs. find a point x = xo along the x-axis at which the electric field is zero.

the answer is b

explanation:

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !

c) power lifting, will be your answer.

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