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A real exam question

AQA A-level Physics · Paper 3BA · June 2023 · Question 5

Estimate the age of the Universe from the gradient of a v against d graph; state the acceleration modification and the dark energy proposed to explain it.

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The question: AQA A-level Physics, Paper 3BA · June 2023, Question 5
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ALN's model answer: AQA A-level Physics, Paper 3BA · June 2023, Question 5, with worked steps for each part
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The question workspace for AQA A-level Physics: a list of Paper 1 June 2017 questions with marked attempts, beside Question 3 open on the Question tab.
Paper Analysis for AQA A-level Physics: the specification points tagged in almost every paper, with a learner's weak spots and quick wins.
8,843 published model answers across 25 current courses Pearson Edexcel International GCSE Mathematics A: 1344 of 2754 questions (49%). AQA A-level Physics: 798 of 798 questions (100%). Pearson Edexcel International GCSE Science (Double Award): 712 of 722 questions (99%). AQA A-level Chemistry: 495 of 495 questions (100%). Pearson Edexcel International GCSE Further Pure Mathematics: 476 of 476 questions (100%). AQA AS Chemistry: 463 of 463 questions (100%). Pearson Edexcel A-level Physics: 442 of 442 questions (100%). Pearson Edexcel International GCSE Physics: 416 of 416 questions (100%). 8,843 published model answers Across 25 current courses. The 8 largest are shown, and the counts update as answers pass our checks. Questions with a model answer International GCSE Mathematics A International GCSE · Pearson Edexcel 49% 1,344 of 2,754 A-level Physics A-level · AQA 100% 798 of 798 International GCSE Science (Double Award) International GCSE · Pearson Edexcel 99% 712 of 722 A-level Chemistry A-level · AQA 100% 495 of 495 International GCSE Further Pure Mathematics International GCSE · Pearson Edexcel 100% 476 of 476 AS Chemistry AS · AQA 100% 463 of 463 A-level Physics A-level · Pearson Edexcel 100% 442 of 442 International GCSE Physics International GCSE · Pearson Edexcel 100% 416 of 416

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