You need to construct a 400 pF capacitor for a science project. You plan to cut two L×L metal squares and place spacers between them. The thinnest spacers you have are 0.20 mm thick. What is the proper value of L?

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

Most of the volume of an atom is occupied by the

Which statements did both aristotle and ptolemy assume? check all that apply.