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

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8.93: a ) From symmetry, the center of mass is on the vertical axis, a distance ) 2 cos( ) 2 ( α L from the apex. b) The center of mass is on the (vertical) axis of symmetry, a distance 3 3 / ) 2 / ( 2 L L = from the center of the bottom of the . c) Using the wire frame as a coordinate system, the coordinates of the center of mass are equal, and each is equal to . 4 2 / ) 2 ( L L = The distance of this point from the corner is
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Unformatted text preview: ( 29 . ) 353 . ( 8 1 L L = This may also be found from consideration of the situation of part a), ( with ° = α 45 d ) By symmetry, the center of mass is in the center of the equilateral triangle, a distance L L L ) 289 . ( 12 ) 60 )(tan 2 ( = = ° above the center of the base....
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  • Geometry, Polar coordinate system, vertical axis

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