Where can you identify the different phases of water?(Interactivity on Pearson science book)

Asystematic approach to problem solving is called a (an)

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.

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above