A flat slab of styrofoam, with a density of 32 kg/m^3, floats on a lake. What is the minimum volume the slab must have so that a 42 kg boy can sit on the slab without it sinking?
Physics - bobpursley, Monday, November 15, 2010 at 5:06pm
density water = 1000kg/m^3 about.
Physics - vince, Monday, November 15, 2010 at 6:56pm
i have the same question, and i got .043 m^3. but it's not the right answer. what did i do wrong? ( i use the same formula too.)
Physics - vince, Monday, November 15, 2010 at 7:40pm
nvm. i submit the answer wrong.