Physics II workshop_Part_51

Physics II workshop_Part_51 - Where is the center of mass...

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104 The objects have masses m A = 5 kg, m B = 2 kg, m C = 4 kg, what is the position vector of their center of mass?
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105 A circle of sheet metal of uniform density and radius R has a smaller circle of radius, R /2, cut out so that it just touches the edge of the big circle.
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Unformatted text preview: Where is the center of mass of the remaining metal? (Hint: you can treat the two circles as point particles; if the cut-out piece was replaced, the CoM of the two “particles” would be the center of the larger circle, which you can take as the origin.) R...
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