Asmall rubber ball and a bowling ball are about to be dropped from the same height. which has more gravitational potential energy?

Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. the electric field at a point p, which is 0.50 m from the center of the sphere, is 15,000 n/c and is directed radially outward. what is the maximum magnitude of the electric field due to this sphere

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Which changes of state do the labels represent? a: b: c: