Try to get aluminum to float. 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 Here you can make instant conversion from this unit to all other compatible units. Polystyrene is composed of styrene particles that have undergone polymerization. Density Converter / Densities Of Various Materials / Density Of Ice Online converter page for a specific unit. The mass of the Styrofoam ball = Vd = 0.3 kg. Answer Save. A 55kg swimmer climbs onto a styrofoam block whose density is 160 kg/m^3.? This free density calculator determines any of the three variables in the density equation given the other two. 2 Answers. Density is a function of the chemistry used to produce the foam and additives included with the foam chemistry. Extruded polystyrene foam (XPS) or STYROFOAM consists of closed cells, offers improved surface roughness and higher stiffness and reduced thermal conductivity. Talk with your partner about this possibility- can you change the mass of the aluminum block without changing the volume of the aluminum block? The density range is about 28–45 kg/m3 . Polystyrene, trade name Styrofoam, has a density of 1.05 grams per cubic centimeter. 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. The density of styrofoam is lower: about 0.028 to 0.045 times that of water. 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. 800.92315 kg/m 3 / 16.018463 [ (kg/m 3) / (lb/ft 3) ] = 50 lb/ft 3. Lower density foam is also great for occasional-use comfort products. Density is a measurement of the mass per unit volume. ... L Density, kg/L Blue 0.80 Yellow 0.80 Green 0.80 Red 0.80 Mystery. In addition, explore hundreds of other calculators including topics such as finance, math, health, fitness, weather, and even transportation. If the water level reaches ONE-FOURTH OF THE WAY UP the styrofoam, what is the block's volume (in m^3)? Made up of 95 percent air, polystyrene is used in a wide variety of products, from insulation to foam cups. 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. EM. Density of Wood Density of Ice Density of Styrofoam How do these compare? Relevance. A 55kg swimmer climbs onto a styrofoam block whose density is 160 kg/m^3. 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