O-LevelPhysicsEnergy & WorkOct/Nov 2024Paper 1 Q101 Mark

A rocket is launched vertically upwards by a constant force from its engines. The data for the launch is shown. [Table: weight of rocket 1.9 MN, average air resistance 0.10 MN, force from engine 3.5 MN]. How much of the work done on the rocket is used to increase its speed in the first 100 m?

Q: What is the correct answer to this O-Level Physics question?

The correct answer is A: 150 MJ.

Q: What topic does this question test?

This question tests Energy & Work in O-Level Physics (syllabus code 5054). It is worth 1 mark.

A150 MJ

B170 MJ

C350 MJ

D550 MJ

✓ Correct Answer

The correct answer is A: 150 MJ

📋 Examiner Report & Trap Analysis

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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This O-Level Physics Question

Topic

This multiple-choice question tests Energy & Work in O-Level Physics (syllabus code 5054). It is worth 1 mark.

Source

This question appeared in the Cambridge O-Level Physics Oct/Nov 2024 examination, Paper 1 Variant 2.

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