In the diagram below the displacement-time-graph of a spring oscillator is given. y/cm 20+ 10+ t/s or 0.2 0.4 0.6 0.8 i 1.2 1.4 1.8 1.8 2 -10+ -207 For a mass of 6.7kg find the maximum potential energy. Write your result in Joule with 2 decimal places, e.g. for 1.25789 Joule write: 1.26 Answer: :