The figure below shows a velocity as a function of time (v versus t) graph for a

Question

The figure below shows a velocity as a function of time (v versus t) graph for a cart moving along a one dimensional track. The position of the cart is measured with a motion detector just as in our lab so away for the detector is the positive direction. Which period(s) of time correspond(s)to the cart moving away from the motion detector? Chose ALL the correct answers!!! However, if you chose a time period (for example A-B),you should NOT also put down the start and end times (for example time A and/or time B). The start and end times are included in the time interval.

Explanation / Answer

the cart moves away from the detector when velocity is positive

so the answer would be

BC

CD

DE

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