You drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface. ball strikes surface and energy decreases by 0.14j, then bounces upward. how much kinetic energy does the ball have just after it bounces off the flat surface?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

The amount of potential energy possessed by an elevated object is equal to what?