Question

1. Take +x direction to be due East, +y direction to be due North and +z direction up.   A, B and C are protons. A is at the origin, B is at (0,1.0X10^-14m,0) and C is at (1.0X10^-14m,0,0) . What’s the electric field’s direction at (1.0X10^-14m, 1.0X10^-14m,0) ?

1. Southwest.
2. Northeast .
3. North .
4. Northwest .
5. Southeast .
6. South .
7. West .
8. Up .
1. Down .

2. What is the magnitude of the electric field in problem 1 at (1.0X10^-14m, 1.0X10^-14m,0) ?

3. What electrostatic force would a proton placed at (1.0X10^-14m, 1.0X10^-14m,0) feel in the electric field of problem 1?

                           

4. What electrostatic force would an alpha particle placed at (1.0X10^-14m, 1.0X10^-14m,0) feel in the electric field of problem 1?

Answer 1