A baseball pitcher throws a ball, and the batter hits a home run. Which of the things in this story has mechanical energy? A. The baseball B. The bat C. The Pitcher's arm D. All of the above

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation

Which statement best explains why the overall charge on an atom is zero?