Coulomb's Law Problems and Solutions

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Coulomb's law – problems and solutions 1. Two point charges, Q A = +8 C and Q ! = "# C, are separated b$ a distance r = 1% cm. &hat is the magnitude o the electric orce. The constant ( = 8.)88 * 1% ) mC- = ) * 1% ) mC-.

nown / Charge A 0A2 = +8 C = +8 * 1% "3 C Charge ! 0 !2 = "# C = "# * 1% "3 C ( = ) * 1% ) mC- The distance between charge A and ! 0r A!2 = 1% cm = %.1 m &anted / The magnitude o the electric orce 4olution / 5ormula o Coulomb's law / q A q B  F  k  , r AB =

The magnitude o the electric orce /

( 8 x 1%− ) ( # x 1% − ) 3

 F 

=

3

( %.1 )

,

− 1,

 F =

6%  x 1%

( %.1 )

=

,

−)

 F =6  x 1%

− 1,

6%  x 1%

%.%1

=

− 1,

6%%%  x 1%

 N 

. Two charged particles as shown in igure below. Q 7 = +1% C and Q = +% C are separated b$ a distance r = 1% cm. &hat is the magnitude o the electrostatic orce.

nown / Charge 7 0Q72 = +1% C = +1% * 1%"3 C Charge Q 0QQ2 = +% C = +% * 1% "3 C ( = ) * 1% ) mC- The distance between charge 7 and Q 0r7Q2 = 1 cm = %.1 m = 1 * 1% " m &anted / The T he magnitude o the electric orce 4olution / Read more https://physics.gurumuda.net https://physics. gurumuda.net/coulombs-law-pr /coulombs-law-problems-and-solut oblems-and-solutions.htm ions.htm