A student uses a motion detector to record the motion of a toy car moving on a s

Question

A student uses a motion detector to record the motion of a toy car moving on a straight track. He wanted to record position-time graph, but mistakenly he set the motion detector to record velocity-time graph. The top graph in the above is the velocity-time graph produced by the motion detector. Which of the above 4 position-time graphs should he choose if he wants to choose the most accurate one ? Pay attention to the curvature after the dashed line.

a. D

b. C

c. B

d. A

e. It is impossible to sketch position-time graph from velocity-time graph.

Explanation / Answer

b.C

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