A-LevelPhysicsKinematics9702/12 · May/June 2018 · Q61 Mark

A projectile is launched at an angle to the horizontal at time t = 0. It travels over horizontal ground, as shown. [Diagram] Assume that air resistance is negligible. Which graph best shows the variation with t of the speed of the projectile from when it is launched to when it lands on the ground?

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 speed vs time showing a constant speed.

BGraph of speed vs time showing speed decreasing linearly then increasing linearly (V-shape).

CGraph of speed vs time showing speed decreasing then increasing in a U-shape curve.

DGraph of speed vs time showing speed decreasing linearly then increasing linearly (V-shape).

✓ Correct answer

C: Graph of speed vs time showing speed decreasing then increasing in a U-shape curve.

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Topic: Kinematics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2018 Paper 1 Variant 2, question 6.

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