Which two changes would decrease the gravitational force between two objects?
A. Decrease the distance between the objects.
B. Increase the mass of one of the objects.
O c. Decrease the mass of one of the objects.
D. Increase the mass of both objects.
E. Increase the distance between the objects.

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?

Avoltaic cell converts chemical energy to

Name two kinds of practical electric pumps.