Physics (AS & A Level) · Oct / Nov 2016 · Paper 13 · Question 10
A beach-ball falls vertically from a high hotel window. Air resistance is not negligible. Which graph shows the variation with time t of the acceleration a of the ball?
- AGraph A: a increases linearly from 0 with t
- BGraph B: a is constant (horizontal line)
- CGraph C: a decreases from a maximum value towards 0 as t increases
- DGraph D: a increases from 0 and levels off to a constant value
As printed in the paper
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Correct answer: C. Graph C: a decreases from a maximum value towards 0 as t increases
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