After a comb is rubbed on a wool sweater, it is able to pick up small pieces of paper. why does the comb lose that ability after a few minutes

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?