# Calculate net force on charge, net electric field, initial acceleration, mass, point, force

See attached file.

Calculate net force on charge, net electric field, initial acceleration, see attached jpg for question

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See attached file.

Solution:

(A)

Force due to charge on q2 by the charges q1 and q3 will be calculated by using Coulomb's law

Coulomb's law is defined as

Value of K is equal to 1/40

where o is permittivity of free space .Its volume is 8.85 x 10-12 c2/Nm2.

Thus in S.I. system numerical value of K is 8.98755 x 109 Nm2c-2.

For q1 charge

Distance between two charges is given in the figure which is r = 0.5 m

Here q1 = 5*10-6C

q2 = -2*10-6C

F1 = 8.98755 * 109 *(5*10-6)* (-2*10-6)/ (0.5)2

= - 0.3595 N

For q3 charge

Force due to charge q3 on q2

F2 = 8.98755 * 109 *(5*10-6)* (-2*10-6)/ (0.5)2

= -0.3595 ...

#### Solution Summary

The solution displays all the calculations and formulas to arrive at an answer to the questions.