Nuclear fusion takes place in the center, or core, of the Sun. Temperatures there can reach 15,000,000 °C. Express this temperature in Kelvin.

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?

The momentum of a man riding his bicycle downhill can be calculated. the bicycle and the man have a combined mass of 40 kg. the velocity of the bicycle is 10 m/s. calculate the momentum.

Why does a smaller car get better gas mileage than a bigger one?