Kinematics of circular motion: OCR A‑Level Physics A questions
Every OCR A-Level Physics A exam question on 5.2.1 Kinematics of circular motion, 2016–2025, with its mark scheme and examiner’s report.
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Calculations
Q22(a)(i)
The whole paper ↗![November 2021 Paper 1, question 22(a)(i): Show that the gradient of the graph of v against f is equal to 2πr, where r is the radius of the circular path of the protons. [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h55601-nov21-22-ai-qp.webp?v=3)
Q22(a)(ii)
The whole paper ↗![November 2021 Paper 1, question 22(a)(ii): Show that r is about 10 m by determining the gradient of the line of best fit through the data points in Fig. 22. [3]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h55601-nov21-22-aii-qp.webp?v=3)
Q4(b)(ii)
The whole paper ↗![November 2020 Paper 3, question 4(b)(ii): The speed of the ISS in its orbit is 7.7 km s–1. Show that the period of the ISS in its orbit is about 90 minutes. [2] Question 4 continues on page 12](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h55603-nov20-04-bii-qp.webp?v=3)
Q6(c)(i)
The whole paper ↗![June 2019 Paper 3, question 6(c)(i): Use Fig. 6.2 to show that the speed of the loudspeaker is 7.5 m s–1. [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h55603-jun19-06-ci-qp.webp?v=3)
Q21(b)
The whole paper ↗
Q3(b)(ii)
The whole paper ↗![June 2018 Paper 3, question 3(b)(ii): Explain why the smaller mass star travels faster in its orbit than the larger mass star. [2]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/h55603-jun18-03-bii-qp.webp?v=3)
All 6 questions on Kinematics of circular motion, as a list
- November 2021, Paper 1, Q22(a)(i) (2 marks): Show that the gradient of the graph of v against f is equal to 2πr, where r is the radius of the circular path of the protons. [2]
- November 2021, Paper 1, Q22(a)(ii) (3 marks): Show that r is about 10 m by determining the gradient of the line of best fit through the data points in Fig. 22. [3]
- November 2020, Paper 3, Q4(b)(ii) (2 marks): The speed of the ISS in its orbit is 7.7 km s–1. Show that the period of the ISS in its orbit is about 90 minutes. [2] Question 4 continues on page 12
- June 2019, Paper 3, Q6(c)(i) (2 marks): Use Fig. 6.2 to show that the speed of the loudspeaker is 7.5 m s–1. [2]
- June 2018, Paper 1, Q21(b) (3 marks): The drum has diameter 0.50 m. The manufacturer of the washing machine claims that the drum spins at 1600 ± 100 revolutions per minute. Calculate the speed of ro
- June 2018, Paper 3, Q3(b)(ii) (2 marks): Explain why the smaller mass star travels faster in its orbit than the larger mass star. [2]
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