1. a. Calculate the magnitude and direction of the electric force (F12 = ?, F21 = ?) between two +8.50µC (micro Coulomb) point charges 1.25 cm apart.

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Solve the following problem by writing complete solutions with corresponding units and by using the constant value.
Constant value to use in problem solving:
k = 8.99 x 10° N-m?/C²
p+ and e- charge = (+,-) 1.602 x 10-19 C
%3D
G = 6.67 x 1011 N-m?/kg?
p+ (mass) = 9.11 x 10-31 kg
e- (mass) = 1.67 x 10-27 kg
1. a. Calculate the magnitude and direction of the electric force (F12 = ?, F21 = ?) between two
+8.50µC (micro Coulomb) point charges 1.25 cm apart.
2. Refer to problem #1, same given; calculate the gravitational force of the two point charges.
3. Two negatively charge electron (e-) exert a force of 6.85 x 104 N on each other.
a. Find the separating distance of the two charges.
b. What will be the new electric force if they are moved closer so they are only one-third
as far apart?
Transcribed Image Text:Constant value to use in problem solving: k = 8.99 x 10° N-m?/C² p+ and e- charge = (+,-) 1.602 x 10-19 C %3D G = 6.67 x 1011 N-m?/kg? p+ (mass) = 9.11 x 10-31 kg e- (mass) = 1.67 x 10-27 kg 1. a. Calculate the magnitude and direction of the electric force (F12 = ?, F21 = ?) between two +8.50µC (micro Coulomb) point charges 1.25 cm apart. 2. Refer to problem #1, same given; calculate the gravitational force of the two point charges. 3. Two negatively charge electron (e-) exert a force of 6.85 x 104 N on each other. a. Find the separating distance of the two charges. b. What will be the new electric force if they are moved closer so they are only one-third as far apart?
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