The mattress of a water bed is 2.0m wide and 30.0cm deep. When the water bed is in its normal condition, the area in contact with the floor with 4.0 m², then the weight of the water in the mattress would be 11772 N.
It can be defined as the mass of any object or body per unit volume of the particular object or body. Generally, it is expressed as in gram per cm³ or kilogram per meter³.
As given in the problem The mattress of a water bed is 2.0m wide and 30.0cm deep.When the water bed is in its normal condition, the area in contact with the floor with 4.0 m².
At normal pressure and temperature, the density of the water is 1000 kg/m³
The mass of the mattress of water
mass = density×volume
= 1000 ×4 ×0.3
= 1200 kg
The weight of the mattress of water
W = mg
= 1200×9.81
=11772 N
Thus, the weight of the mattress of the water would be 11772 N
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The question seems incomplete, the complete question is
The mattress of a water bed is 2.0m wide and 30.0cm deep. When the water bed is in its normal condition, the area in contact with the floor with 4.0 m², Find the weight of the mattress of the water
