Daily Quiz #2e

Distance and velocity V.

Course

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The first three questions refer to the material you were to read in preparation for the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle. Questions 4 is your opportunity to suggest what we should emphasize today and how.

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1. The graph below shows the position vs. clock readings of the motion of two trains running on parallel tracks.

Which of the following is true:

at time tB both trains have the same velocity

both trains speed up all the time

both trains have the same velocity at some time before tB

somewhere on the graph, both trains have the same acceleration