Air pressure is
gravity's pull on air molecules
higher the farther you are from earth's surface
about 5 lbs per square inch at sea level
difficult to measure

This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.