posted by Claudia .
a 3.5 kg rectangular air mattress is 2.73m long, 1.1m wide, and .124m thick.
what mass can it support in water befor sinking?
answer in units of kg.
so do i do volume times density=mass?
The bouyancy is equal to volume*densitywater(g).
where density is the density of water.
density of water=1.0*10^3
I don't know 😭😭😭