In which type of wave do the particles in a medium move perpendicular to the direction that the wave moves?

a. transverse waves

b. ocean waves

c. surface waves

d. longitudinal waves

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.