You throw a ball upward with a speed of 14m/s. what is the acceleration of the ball after it leaves your hand? ignore air resistance and provide an explanation for your answer.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

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