A cheetah chases a gazelle, reaching a speed of 28 m s 28 s m 28, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction. A graph of its acceleration over time is shown below, where rightward is the positive acceleration direction.

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.