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20 Jul 2018
7) [4 pts) a) Draw a single v-vs-t graph that illustrates a drag race (a short, straight-path race) between two vehicles (each vehicle will be represented by one curve on the graph). Each vehicle accelerates at a constant rate up to a maximum speed, and then stays at that speed. Car A's acceleration is larger than car B's, but its top speed is smaller than that of car B. b) Mark on your graph the time when the two cars are side by side for the first time after the start of the race. c) Can you determine in advance who will win the race? If so, who wins - and if not, why not? Explain your answers as fully as possible.
7) [4 pts) a) Draw a single v-vs-t graph that illustrates a drag race (a short, straight-path race) between two vehicles (each vehicle will be represented by one curve on the graph). Each vehicle accelerates at a constant rate up to a maximum speed, and then stays at that speed. Car A's acceleration is larger than car B's, but its top speed is smaller than that of car B. b) Mark on your graph the time when the two cars are side by side for the first time after the start of the race. c) Can you determine in advance who will win the race? If so, who wins - and if not, why not? Explain your answers as fully as possible.
Jean KeelingLv2
22 Jul 2018
