Need Help With Physical Ed

Why there is no inductive reactance in dc circuits

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?