A wave could best be defined as
A) a transfer of a disturbance from one point to another without any corresponding transfer of matter.
B) a vibrational motion of matter.
C) a transfer of molecules from one point to another along the direction of motion, where the molecules are bunched into groups.
D) an organized motion of matter from one point to another along the direction of motion of the wave.
E) a transfer of a disturbance from one point to another without any corresponding transfer of energy.
Question 2
The attraction of a person's body toward Earth is called weight. The reaction to this force is
A) the person's body pushing against Earth's surface.
B) Earth's surface pushing against the person's body.
C) the person's body pulling on Earth.
D) none of the above