3. what is the bandwidth of a signal composed of frequencies from 60 hz to 600 hz?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Energy flows from the producer level to the level. is called

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.