A-LevelPhysicsWork, energy and powerFeb/Mar 2024Paper 1 Q181 Mark
A ball is projected into the air from horizontal ground and follows the path shown in the diagram. [Figure showing a projectile path with points Q, R, S, T and their heights] At points Q, R, S and T, the ball has kinetic energies EQ, ER, Es and ET respectively. The heights above the ground of these four points are shown. Air resistance is negligible. Which difference in kinetic energies is the smallest?
AEQ - Es
BEs - ER
CET - EQ
DET - ER
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The correct answer is A. This question tests the candidate's understanding of work, energy and power within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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