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2 marksConservation of Energy

CAPE Physics Unit 1 · 2007 · Paper 2 · Question 3(b)

By estimating the area under the graph, find the work done in stretching the wire by 4.0 mm.

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  1. 3The data shown in Table 2 was collected by hanging weights (F) on a metal wire and measuring the extension (x) caused. The wire was originally 2.00 m long and…[1 mark]
  2. 3(a)Plot a graph of the weight, F, against the extension, x, on the graph grid opposite.[4 marks]
  3. 3(c)(i)At what load does the wire cease to obey Hooke's law?[1 mark]
  4. 3(c)(ii)Use the graph to determine the value of Young's Modulus for this metal.[3 marks]

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