3. Now, reset the screen, click Grid, and drag two positive charges onto the screen, placing them 1 m apart and find the electric potential at the midpoint between the two. Now take away one of the positive charges (drag it back down in the box at the bottom of the screen) and replace it with a negative charge and find the electric potential at the midpoint between the two. What did you observe for the electric potential in the case with two positive charges vs one positive and one negative charge, respectively

come closer and become far apart and become steam/gas

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the   box is the same as its force.

hope this !

im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this.   hope that you like the video and that it explains more in detail to you.

that is the link.

it doesn't. it was imagined up in the middle ages.

a sonic boom is a loud boom that breaks the sound barrier

explanation: