If you apply a changing force, will either the velocity or the acceleration change in the same way as the force?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

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

Which bonds are found inside a water molecule