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2 marksMotions

CAPE Physics Unit 1 · 2015 · Paper 2 · Question 1(a)

This section covers questions related to gravitation and motion.

State, in words, Newton's law of universal gravitation.

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Other parts of this question

  1. 1(b)(i)Determine the weight of the rock on Mars.[3 marks]
  2. 1(b)(ii)Show that the gravitational potential energy of the rock is -1.77 × 10^7 J.[2 marks]
  3. 1(c)(i)On the grid provided in Figure 1 (page 5), plot a graph of weight (W) versus 1/R^2 to reflect this variation.[4 marks]
  4. 1(c)(ii)Find the gradient of the graph and hence determine the mass of the satellite. (Mass of Earth, M_E = 5.6 × 10^24 kg)[4 marks]

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