A-LevelPhysicsDynamics9702/12 · Feb/Mar 2020 · Q91 Mark

The diagram shows graphs of various quantities plotted against time for an object dropped from a stationary balloon high in the atmosphere. [Figure showing four graphs labelled graph 1, 2, 3, 4, plotting a quantity against time] Which statement could be correct?

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AGraph 1 is acceleration against time and graph 3 is resultant force against time.

BGraph 1 is acceleration against time and graph 4 is resultant force against time.

CGraph 3 is acceleration against time and graph 1 is velocity against time.

DGraph 3 is acceleration against time and graph 2 is velocity against time.

✓ Correct answer

C: Graph 3 is acceleration against time and graph 1 is velocity against time.

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