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

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

Which object is most likely represented by a dot?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?