Identify scalar and vector quantities: a. The volume of a petrol tank. b. A length measured in meters. c. The jet taking off against the gravity. d. The work done by a force.

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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?