What is the estimated density of the table tennis ball? record your answer to the nearest hundredth. g/cm3 what is the estimated density of the golf ball? record your answer to the nearest hundreth. g/cm3

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.

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?

You can melt ice by applying pressure because the solid/liquid line has a slope.