Physics
posted by ROb .
f a water bed is 1.81 m on each vertical side and 30 cm high. Find its weight. The acceleration of gravity is 9.8 m/s2 and the density of water is 1000 kg/m3. Answer in units of N

I assume you mean each horizontal side.
Weight= volume*density*g
= 1.81*2 * .3 * 1000*9.8 N
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