What did galileo discover when he dropped 2 cannon balls of different weights from the leaning tower of pisa

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.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Arrange the images in order to show how lake-effect snow occurs.