Homework Help: Science

Posted by RJ on Tuesday, April 20, 2010 at 10:53pm.

A plastic block has sides that measure 4 centimeters, 2 centimeters, and 3 centimeters. Its mass is 19.2 grams. Predict whether the block will float in water. Will it float in olive oil?

Science - DrBob222, Tuesday, April 20, 2010 at 11:11pm
Is this supposed to be a regular box (straight sides, no triangular etc).
Volume = 4 cm x 2 cm x 3 cm = 24 cc.
density = mass/volume = 19.2/24 = ?? If the density is less than that of water, it will float. Same in olive oil. You must look up the densities of water and olive oil.
Science - Zack, Thursday, February 23, 2012 at 5:15pm
Yes
Science - marissa, Monday, December 10, 2012 at 7:54pm
4cm times 2cm times 3cm=24cc density = mass/ volume = 19.2 divied by 24 is 0.8 or .8

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