A-LevelPhysicsKinematics9702/12 · Oct/Nov 2019 · Q81 Mark
A tennis ball is released from rest at time t = 0 and falls through air for a long time. Which graph of its displacement s against time t best represents the motion of the ball?
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AGraph of displacement s against time t, with the curve initially steep, then almost flat, then steep again, before becoming a straight line.
BGraph of displacement s against time t, with the curve continuously increasing in gradient.
CGraph of displacement s against time t, with the curve initially less steep, then steep, then gradually approaching a constant gradient.
DGraph of displacement s against time t, with the curve smoothly increasing in gradient and then becoming a straight line.
✓ Correct answer
D: Graph of displacement s against time t, with the curve smoothly increasing in gradient and then becoming a straight line.
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