Solve the proportion for p 30/24=p/8

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.

Which type of microscope would allow the viewer to see ribosomes inside a cell?

What are the north and south poles of a solenoid change with?