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CAPE Physics Unit 1 · 2015 · Paper 2 · Question 2(b)(ii)

Figure 3 shows a block oscillating horizontally between two identical springs, each with spring constant, k. The vibrator has a constant amplitude. As the frequency is changed, the amplitude of oscillation of the block is measured. Table 2 shows the data recorded.

Use your graph to determine the angular frequency for the block when it is oscillating at maximum amplitude.

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Other parts of this question

  1. 2(a)(i)State TWO conditions that must be satisfied for simple harmonic motion to occur.[2 marks]
  2. 2(a)(ii)Calculate the maximum kinetic energy of the cube.[3 marks]
  3. 2(a)(iii)Explain why the cube loses contact with the plate.[2 marks]
  4. 2(a)(iv)Calculate the amplitude of oscillation at the instant the cube loses contact with the plate.[3 marks]
  5. 2(b)(i)On the grid provided in Figure 4 (page 9), plot a graph of amplitude of oscillation, y, against frequency, f.[4 marks]

More practice: the rest of this paper · more Harmonic Motion questions · all CAPE Physics Unit 1 past papers