# Problem: (a) Find the direction and magnitude of an electric field that exerts a 4.80x10-17 N westward force on an electron. (b) What magnitude and direction force does this field exert on a proton?

###### FREE Expert Solution

Electric force:

$\overline{){\mathbf{F}}{\mathbf{=}}{\mathbf{q}}{\mathbf{E}}}$

(a)

The electric field becomes, E = F/q

###### Problem Details

(a) Find the direction and magnitude of an electric field that exerts a 4.80x10-17 N westward force on an electron.

(b) What magnitude and direction force does this field exert on a proton?