Why mirrors show texts in reverse order?

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Explain what happens at the saturation point when adding salt to water at room temperature.