Two tires have the same amount of air pumped into them, at the same temperature. Tire 1 has a volume of 4,888 m3, and is measured to have a pressure of 191,714 Pa. If Tire 2 is measured to have a pressure of 633,019 Pa, what is the volume of tire 2?

Could someone me find the answer to this problem.

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.