You are a passenger on a jetliner that is flying at a constant velocity. you get up from your seat and walk toward the front of the plane. because of this action, your forward momentum increases. does the forward momentum of the plane itself decrease, remain the same, or increase?

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Properties seen when one one substance changes to another are known as properties