Two runners start one hundred meters apart and run toward each other. each runs ten meters during the first second. during each second thereafter, each runner runs ninety percent of the distance he rane in the previous second

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size