A bag of marbles is hanging motionless on a spring scale. What prevents the bag from falling?

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

so easy. just google the electromagnetic waves and it’ll pop up.