document.write( "Question 973255: The density of platinum is 21.5g/cm^3. If the ring shown in the figure below is crafted out of platinum, how much will it weigh?\r
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document.write( "h = 0.5 cm
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document.write( "r = 2 cm
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document.write( "0.15 cm \n" );
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Algebra.Com's Answer #595550 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Assuming 0.15cm is the thickness, the volume will be \n" ); document.write( "volume of the disk with outside radius (r) and thickness (h) \n" ); document.write( "minus the the inner (empty) disk with radius (r-0.15cm) and \n" ); document.write( "thickness h: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Mass=density x volume: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |