Apiston is filled with gas. when the pressure is increasing, what is happening to the volume? assume that all other properties of the gas remain constant.
a. it is remaining the same.
b. it is increasing.
c. it is decreasing.
d. it is increasing or decreasing until it reaches zero.

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.