A-LevelPhysicsKinematics9702/12 · May/June 2018 · Q71 Mark
A sky-diver falls vertically from a helicopter and reaches constant (terminal) velocity. The graph shows the variation with time t of the speed v of the sky-diver. [Graph] Which graph shows the variation with time t of the distance d fallen by the sky-diver?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AGraph of distance d vs time t, starting at 0, increasing with increasing gradient (accelerating).
BGraph of distance d vs time t, starting at 0, increasing with increasing gradient, then increasing with decreasing gradient.
CGraph of distance d vs time t, starting at 0, increasing with increasing gradient, then increasing linearly (constant velocity).
DGraph of distance d vs time t, starting at 0, increasing linearly, then with increasing gradient.
✓ Correct answer
C: Graph of distance d vs time t, starting at 0, increasing with increasing gradient, then increasing linearly (constant velocity).
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