in the atomic mass number of 12C is 12,011 g. mol and the relative atomic mass of carbon is 12 g. mol calculate the atomic mass number of 13C​

True or false: the revolution of the earth creates day and night as it rotates around the sun

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

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?