Astudent walks 3
kilometers to school in
33 minutes. how fast
does she walk? what
are the best units?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "