document.write( "Question 1141974: a solid aluminum casting for a pulley consist of three discs each 1.5cm thick, of diameters 4cm 6cm and 8cm. a central hole 2cm in diameter is drilled out. if the density of aluminum is 2.8g/cm^³. calculate the mass of the casting \n" ); document.write( "
Algebra.Com's Answer #762624 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! a solid aluminum casting for a pulley consist of three discs each 1.5cm thick, of diameters 4cm 6cm and 8cm. a central hole 2cm in diameter is drilled out. if the density of aluminum is 2.8g/cm^³. calculate the mass of the casting \n" ); document.write( "------------ \n" ); document.write( "Vol = pi*(2^2 + 3^2 + 4^2)*1.5 - 3pi*1*1.5 cc \n" ); document.write( "M = vol*density \n" ); document.write( " \n" ); document.write( " |