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Labor and Energy

  1. Jul 12, 2008 #1
    1975 the roof of the Montreal Velódromo which weighed 3.7x107N was raised 10cm to be centralized. What the work performed by machines that raised the roof

  2. jcsd
  3. Jul 12, 2008 #2
    not gonna do your homework for you - but i'll talk you through it

    what is the formula for work when lifting against gravity (gravitational potential energy (GPE))?
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