Which is true about surface waves? the disturbance is only parallel to the motion of the wave. the disturbance does not have a specific motion. the disturbance is in a circular motion. the disturbance is only perpedicular to the motion of the wave.

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface