A hockey player stands on the ice as an opposing player skates by with a puck, moving at uniform speed of 12m/s. Three seconds after this, the first player decides to chase him down and body check this guy. If he accelerates at 4 m/s2 :

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral

Ais a multilevel way of grouping items based on common properties among them. a. memory b. conceptual hierarchy c. schema d. semantic network