University Physics with Modern Physics with Mastering Physics (11th Edition)

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10.88: Assuming the blow to be concentrated at a point (or using a suitably chosen “average” point) at a distance r from the hinge, . and ave , ave ave rJ t rF L rF = = = Σ τ The angular velocity ϖ is then ( 29 , 2
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Unformatted text preview: 3 2 ave 2 3 1 ave ave ml t F ml t F l I t rF I L ω ∆ = ∆ = ∆ = ∆ = Where l is the width of the door. Substitution of the given numeral values gives s. rad 514 . =...
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