1. Which of the following are true about electric forces? Check all that apply.

A. Charged objects are pushed by
electric forces.

B. Close charges create strong forces.

C. Large charges create strong forces.

D. Opposite charges create attracting
forces.

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Where do magnetic lines of force enter earth?