Sulfur powder (S) and oxygen gas (O2) undergo a chemical reaction to form sulfur doixide(SO2). Which equation represents this chemical reaction? A. S= SO2 + O2.

B. S + O2 = SO2.

C. SO2 = S + O2.

D. O2 = SO2 + S

Acar traveling at a constant speed of 22.0 m/s passes a trooper hidden behind a billboard. one second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3.50 m/s2. how long does it take the trooper to overtake the speeding car? solve this problem by a graphical method. on the same graph, plot position versus time for the car and the trooper.