A ring at a pawn shop is labeled “gold”. The ring has a mass of 4.4 g and a volume of 0.55 cm³. Is the ring pure gold? (Density of pure gold ρ = 19.3 g/ cm³)

Q: Copper has a density of 8.96 g/cm3.  How many kg of copper occupy 5.00 m3?

A: Given that, Density of copper, ρ = 8.96 g/cm3 => ρ = 8.96*[(1*10-3)/(1*10-2)3] => ρ =…

Q: If the mass density of lead metal is 11300 kg/m^3,

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Q: An iron casting containing a number of cavities weighs 6200 N in air and 3970 N in water. What is…

A: The total volume of the cavities in the casting is 0.147 m3.

Q: Alloys of gold are rated in karats, a dimensionless unit that is used to indicate the proportion of…

A: Given data:  Density of gold (ρ) = 19.3×103 kg/m3 Weight (W) = 1.83 N Required: The volume (V)

Q: An artist creates a solid sculpture made from 5.30 kg of tin. She wishes to create an identical…

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Q: Object A has 5.3 times the mass and 1.1 times the volume of object B. If the density of object B is…

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Q: A cube 9.54 cm on each side is made of a metal alloy. After you drill a cylindrical hole 2.06 cm in…

A: 3. This problem can be solved by using the simple formula of volume of cube and cylinder.

Q: Juno is a construction worker. He has found a scrap piece of construction aluminum foil. The sheet…

A:

Q: A lead cube has a total mass of 100 kg. What is the length of a side? (Density of lead is 11.3 x 10…

A: The mass of the lead cube is M = 100 kg. Assume the length of each side of the cube is a. The…

Q: An automobile company displays a die-cast model of its first car, made from 9.70 kg of iron. To…

A: The density of an object is calculated by using the formula ρ=mV , where m is the mass of the object…

Q: A cylindrical storage tank has a radius of 1.42 m. When filled to a height of 3.38m, it holds 16000…

A: radius (r) = 1.42 m height (h) = 3.38 m mass (m) = 16000 kg

Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A: Given: Density of gold = 19.32 g/cm3