complex correlations require a greater burden of proof. when trying to fit data, in what order should you try different correlations?

Using the given data table, calculate the acceleration of the skateboarder. you can use either form of the equation below?

Sound is a disturbance that travels through a medium as a

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