What is the magnitude of the net electric force on charge B in the figure?(Figur

Question

What is the magnitude of the net electric force on charge B in the figure?(Figure 1) Assume a = 2.5cm and b = 1.0cm .

2. Two 2.20g point charges on 1.00-m-long threads repel each other after being equally charged, as shown in the figure.(Figure 1) Assume that ? = 16.0?. What is the charge q?

1. What is the magnitude of the net electric force on charge B in the figure?(Figure 1) Assume a = 2.5cm and b = 1.0cm . 2. Two 2.20g point charges on 1.00-m-long threads repel each other after being equally charged, as shown in the figure.(Figure 1) Assume that ? = 16.0?. What is the charge q?

Explanation / Answer

1)

Here , Force between two point charges is given as

F = k*q1*q2/d^2

Now , Force on charge B . FB = Fab + Fbc

FB = 9*10^9*2*10^-9*10^-9*(1/.025^2 + 2/.01^2 )

FB = 3.89 *10^-4 N

the force on charge B is 3.89 *10^-4 N

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