Question

In the figure, two tiny conducting balls of identical mass m -20g and identical charge q hang from nonconducting threads of length L than L approx mate sing); by θ 271048 C 150 cm. If x 3.7 cm, what is q? Since x is much smaller Submit Answer Incarrect. Tries 7/10 Previous Tries Do we krnow the sign of q? (positive, negative, no)

Answer 1

Steps:

step 1

1) Draw free body diagram of any charged mass at equillibrium.

2) Resolve component of Tension in thread in x and y direction

3 Now calculate electrostatic force ( Fe )by balancing all others forces in x and y direction.

4 ) Now equate Fe= K q^/x^2

to get charges on ball.

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