A particle executes simple harmonic motion along the x-axis. The force acting on it is given by? a) acos(kx) b) ae(-k x ) c) akx d) –akx.

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Aparticle moves in a circle 1.50 m in radius . through what angle in radians does it rotate if it moves through an arc length of 2.50m? what is the angle in degrees?