Experiment with choosing a material: material S=sinker F= Floater Density given Ice S 0.92 Kg/L Aluminum S 2.70 Kg/L Brick S 2.00 Kg/L Wood F 0.40 Kg/L Styrofoam F 0.15 Kg/L 4. This free density calculator determines any of the three variables in the density equation given the other two. Talk with your partner about this possibility- can you change the mass of the aluminum block without changing the volume of the aluminum block? EM. Answer Save. Density is a measurement of the mass per unit volume. A 55kg swimmer climbs onto a styrofoam block whose density is 160 kg/m^3. Relevance. To convert among any units in the left column, say from A to B, you can multiply by the factor for A to convert A into kg/m 3 then divide by the factor for B to convert out of kg/m 3. Density is a function of the chemistry used to produce the foam and additives included with the foam chemistry. The weight of the ball = 2.94 N The buoyancy force on the ball = 9.8 N The weight that can be supported by the ball is 9.8 N - 2.94 N = 6.86 N The maximum mass = 0.7 kg = 700 g ... L Density, kg/L Blue 0.80 Yellow 0.80 Green 0.80 Red 0.80 Mystery. Extruded polystyrene foam (XPS) or STYROFOAM consists of closed cells, offers improved surface roughness and higher stiffness and reduced thermal conductivity. Try to get aluminum to float. Here you can make instant conversion from this unit to all other compatible units. Polystyrene is composed of styrene particles that have undergone polymerization. The mass of the Styrofoam ball = Vd = 0.3 kg. Density Converter / Densities Of Various Materials / Density Of Ice Online converter page for a specific unit. Or, you can find the single factor you need by â¦ Polystyrene, trade name Styrofoam, has a density of 1.05 grams per cubic centimeter. The density range is about 28â45 kg/m3 . A 55kg swimmer climbs onto a styrofoam block whose density is 160 kg/m^3.? 800.92315 kg/m 3 / 16.018463 [ (kg/m 3) / (lb/ft 3) ] = 50 lb/ft 3. The density of styrofoam is lower: about 0.028 to 0.045 times that of water. Made up of 95 percent air, polystyrene is used in a wide variety of products, from insulation to foam cups. DENSITY. Measured and expressed in pounds per cubic foot (pcf) or kilograms per cubic meter (kg/m3), density is one of the most important of all foam properties. If used as a soft bed topper by an average-sized individual every day, a 1.5LB density foam will begin to show a noticeable decline in support and comfort after six months to a year. 2 Answers. Lower density foam is also great for occasional-use comfort products. Density of Wood Density of Ice Density of Styrofoam How do these compare? If the water level reaches ONE-FOURTH OF THE WAY UP the styrofoam, what is the block's volume (in m^3)? 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