Aboulder that is resting on the top of a cliff slips over the edge and accelerates towards the ground. as the rock falls, the amount of kinetic energy a) increases. b) decreases. eliminate c) stays the same. d) increases then decreases.

Atransverse wave is traveling on a string stretched along the horizontal x-axis. the equation for the vertical displacement y of the string is given by y = (1.8 x 10-3)cos[π(13x - 60t)], where all quantities are in si units. what is the maximum speed of a particle of the string

What is the maximum acceleration of the wing tips, in units of g?

Which type of wave can travel without a medium