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(Figure 1) Two cars travel on the parallel lanes of a two-lane road. The cars’ motions are represented by the position versus time graph shown in the figure. Answer the questions using the times from the graph indicated by letters.
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Part A At which of the times do the two cars pass each other?
Part B This question will be shown after you complete previous question(s).
Part C At which of the lettered times, if any, does car #1 momentarily stop?
Part D At which of the lettered times, if any, does car #2 momentarily stop?
Part E At which of the lettered times are the cars moving with nearly identical velocity?
♦ Relevant knowledge
Acceleration is the speed at which you changing the speed of a vehicle. A moving object that is at a constant speed indicates that it’s not changing direction, and is not moving faster or slowing down. The acceleration of such an object is zero.
2 Answers