Question

Willa, the cartoon witch, dusts her crystal ball with her silk scarf, causing it to become charged with 5.0 x 10^ -9 C. Willa then stares into the crystal ball and the wart on the end of her nose experiences an electric field strengths of 2200 N/C. How far is the trip of her nose from the center of the crystal ball?

Answer 1

The distance between the tip of her nose from the center of the crystal ball is 14.3 cm.

Step-by-step explanation:

Given that,

Charge,
`q=5* 10^(-9)\ C`

The end of her nose experiences an electric field strengths of 2200 N/C

It is required to find the distance between the tip of her nose from the center of the crystal ball. The formula of the electric field is given by :

`E=(kq)/(r^2)`

r is distance

`r=\sqrt{(kq)/(E)} \\\\r=\sqrt{(9* 10^9* 5* 10^(-9))/(2200)} \\\\r=0.143\ m\\\\r=14.3\ cm`

So, the distance between the tip of her nose from the center of the crystal ball is 14.3 cm.