A-LevelPhysicsDynamics9702/12 · Feb/Mar 2021 · Q101 Mark
A stationary firework explodes into four fragments which travel in different directions in a horizontal plane. The diagram shows the velocity and mass of each fragment. [Figure 10.1] What is the speed v of fragment X?
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.
A200 m s⁻¹
B240 m s⁻¹
C300 m s⁻¹
D360 m s⁻¹
✓ Correct answer
A: 200 m s⁻¹
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