An elastic resistance cord in an exercise machine has an original length of 1.20 m. During use, the cord has a length of 145 cm.
Calculate the extension of the cord.
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Markscheme
5.3 Forces and elasticity Questions
106 exam-style questions on AQA GCSE Physics 5.3 Forces and elasticity, covering 5.3 Forces and elasticity. Each one has a worked solution and a mark scheme showing where the marks go.