Positive charge Q is distributed uniformly along the x axis from x = 0 to x = a.
(a) Determine the magnitude of the electric field at x = l + a on the x axis.
(b) Find an expression for the field if l≫a.

Please find attached file for complete answer solution and explanation.

Explanation:

b.transmitters send radio waves, and receivers capture radio waves.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles