A plane took 3.55 hours to finish a journey. If the distance of the journey was 2840 miles, at what average speed did the
plane travel?
mph

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

An object's buoyant force and weight mean the same thing. a. trueb. false

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