Fig. 3.2 shows how the displacement of air molecules at an instant of time, varies with distance along the path of a sound wave. 7
displacement
0
0
distance along path of sound wave
(c)
Sound waves can also travel in water.
State how the speed of sound in water compares with the speed of sound in air.

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.