- #1
Hooke's Law
- 30
- 0
Homework Statement
The Earth is surrounded by an electric field, pointing inward at every point. Assume a magnitude of E = 167N/C near the surface. What is the net charge on the Earth?
How many excess electrons per square meter on the Earth's surface does this correspond to?
Homework Equations
E = kq/r^2
The Attempt at a Solution
In the first question I got an answer of -7.56E+05 C, but I don't know how to start with the 2nd one.