As an object falls toward earth, the potential energy of the
a. increases
b. decreases
c. stays the same

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.

If the new moon happens on january 15th, what shape will it be on february 6th?

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?