document.write( "Question 1049528: A water tank is 25 cm long, 15 cm wide and 15cm high.Six identical cubes of length 5 cm are completely immersed in the water tank.Calculate the rise of the water level in the tank. \n" ); document.write( "

Algebra.Com's Answer #665106 by ikleyn(52847) $\"\"$ $\"About$

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\n" ); document.write( "A water tank is 25 cm long, 15 cm wide and 15 cm high. Six identical cubes of length 5 cm are completely immersed
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document.write( "Let \"h\" be initial depth (level) of the water in the tank.\r\n" );
document.write( "And let H be the final depth (level) after immersing (submerging ?) of the cubes.\r\n" );
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document.write( "Surely, we assume (the problem assumes it) that the final level is still lower than 15 cm high.\r\n" );
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document.write( "The initial volume of the water is 25*15*h .\r\n" );
document.write( "The volume in the tank under the level H is 25*15*H .\r\n" );
document.write( "Of this final volume 6*5^3  is the volume occupied by 6 cubes.\r\n" );
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document.write( "The \"water volume conservation law\" says that\r\n" );
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document.write( "25*15*H - 25*15*h = ,  or\r\n" );
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document.write( "H - h =  =  = 2 cm.\r\n" );
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document.write( "Answer.  The level of the water raised in 2 cm after submerging 6 cubes.\r\n" );
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