Deflate gate was a hot topic before last year's super bowl. according to nfl rule, the football used should be inflated no less than 12 psi. approximately, what is the real pressure of air inside a football when it is inflated to 12 psi? assume the atmospheric pressure is about 15 psi.

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system