Homework Help: physics

Posted by Nico on Sunday, January 27, 2008 at 11:29pm.

A 2.8 kg air mattress is 2 m long, .5 m wide, & .1 m thick. What mass can it support in water before sinking?

physics - drwls, Monday, January 28, 2008 at 12:00am
It can support a mass M such that
M + m = volume x (water density)
where m is the mass of the mattress and Volume = 0.1 m^3. The water density is 1000 kg/m^2.

Solve for M
physics - Anonymous, Sunday, January 29, 2012 at 12:20pm
SDSF

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