Scientists are studying a pond. Which property can the scientists measure to understand the amount of energy held by the lake water? A. the depth of the lake
B. the color of the water
C. the volume of the lake
D. the temperature of the water

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.