Solved: A uniform 2.00-m ladder of mass 9.00 kg is leaning
Chapter 9, Problem 9.50(choose chapter or problem)
A uniform 2.00-m ladder of mass 9.00 kg is leaning against a vertical wall while making an angle of 53.0 with the floor. A worker pushes the ladder up against the wall until it is vertical. What is the increase in the gravitational potential energy of the ladder?
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