ANSWERS: 2
  • Displacement is 4cm.=.04mConstant is 500-n-m So eneery stored due to compression is 1/2(Kx^2) =1/2(5000)*.04 =100Joules done in .3 seconds so power = work/time=100/0.3=333.33watts
  • Spring Potential Energy=> Us = (1/2)k x^2 Us = (1/2)(5000N/m)(.04m)^2 = 4 Joules Power = Work / Change in Time Power = 4 Joules / .3 seconds = 13.33 W

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