Thursday
May 23, 2013

# Homework Help: Physics

Posted by joe on Thursday, November 1, 2007 at 9:52pm.

A water bed has dimensions of 1.83 m 2.17 m 0.247 m. The floor of the bedroom will tolerate an additional weight of no more than 6660 N. Find the weight of the water in the bed and determine whether it should be purchased.

• Physics - Quidditch, Thursday, November 1, 2007 at 10:29pm

Find the cubic meters water volume of the water bed. Do this by multiplying its width * length * height.
Water weighs 1000kg/m^3, convert the volume to kg of mass.
The force on the floor will be F=m*g.
Is this > 6660N ?

• Physics - drwls, Friday, November 2, 2007 at 6:52pm

Bad purchase! Don't forget the g = 9.8 m/s^2 (= 9.8 Newtons/kg) factor when computing the weight.

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