Africtional force f provides the centripetal force as a car goes around an unbanked curve of radius r at speed v. later, the car encounters a similar curve, except of radius 2r, and the driver continues around this curve at the same speed in order to make this second curve, the frictional force on the car must be equal to

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

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

If the new moon happens on january 15th, what shape will it be on february 6th?