Physics students use a spring scale to measure the weight of a piece of lead. The experiment was performed two times, one in air and the other in water. If the volume of the lead is 15cm3, what is the difference between two readings on the scale?

Q: The karat is a dimensionless unit that is used to indicate the proportion of gold in a…

A: Given data- One karat gold contains a weight of pure gold that is one part in twenty four(24).  So…

Q: A straightforward method of finding the density of an object is to measure its mass and then measure…

A: Given value--- mass , m = 230 g. Volume , V = 88 cm^3 . We have to find--- density ?

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

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Q: Assuming biological substances are 100% water, estimate the mass of a human kidney. Take a kidney to…

A: Mass of a Human kidney

Q: A measuring cylinder contains some water. When a stone is put in the water, the level rises. What is…

A: Concept

Q: Your grandmother gave you a gold ring as “pamana" (inheritance). The gold ri is 5.00 mm thick and…

A: GivenThickness (h)=5 mmoutside Diameter (d0)=12 mmInside diameter (di)=11 mm

Q: he standard kilogram is a platinum-iridium cylinder 39 mm in height and 39 mm in diameter. What is…

A: The volume of the cylinder is V=πr2h .......................... (1)  where V is the volume, r is the…

Q: An iron casting containing a number of cavities weighs 5.75E+3 N in air and 4.01E+3Nin water. What…

A: Solution: The volume of cavities is given by: Volume of cavities=Volume of casting-volume of iron.…

Q: A U-shaped tube is partially filled with equal volumes of water and mercury. If each liquid fills a…

A: Mercury is denser than water. Hence, it will settle to the bottom of the tube. The height y up to…

Q: Question: Lets think about the pressure difference for bubbles in soda. If the bubble has a radius…

A: Pressure difference = 4S/R

Q: An iron casting containing a number of cavities weighs 6.61E+3N in air and 3.61E+3N in water. What…

A: Your answer is 0.22051m3

Q: A cylindrical storage tank has a radius of 1.06 m. When filled to a height of 3.80 m, it holds 12800…

A:

Q: An iron casting containing a number of cavities weighs 6.32E+3N in air and 4.01E+3 N in water. What…

A: The total volume of all the cavities in the casting is 0.1536137 m³

Q: A cylindrical storage tank has a radius of 1.16 m. When filled to a height of 3.24 m, it holds 12500…

A: In this question we are given that a cylindrical storage tank has a radius of 1.16 m. When filled to…

Q: An auditorium measures 40.0 m x 20.0 m x 12.0 m. The density of air is 1.20 kg/m3. What are (a) the…

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Q: An iron casting containing a number of cavities weighs 5.15E+3 N in air and 3.72E+3 N in water. What…

A:

Q: Physicians use a machine called a spirometer to measure the maximum amount of air a person can…

A: In this question we are given that physicians use a machine called a spirometer to measure the…

Q: An auditorium measures 55.0 m x 28.0 m x 16.0 m. The density of air is 1.28 kg/m3. What are a. the…

A: Given data: Volume of auditorium, V=55.0×28.0×16.0=24640 m3 Density of air, ρ=1.28 kg/m3

Q: A cube 8.22 cm on each side is made of a metal alloy. After you drill a cylindrical hole 1.5 cm in…

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Q: A balloon is released from a tall building. The total mass of the balloon, including the enclosed…

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Q: If you tried to smuggle gold bricks by filling your backpack, whose dimensions are…

A:

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

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Q: 50 g of gasoline are mixed with 60 g of water. What is the average density of the mixture?Express…

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Q: You are making banana bread and the recipe calls for 3/4 cup of vegetable oil and one egg yolk. You…

A: Given data :  Mass of yolk, m = 9.9 gram  Yolk floats on oil with 71% of yolks volume under oil…

Q: A tank is filled with oil whose density is p-850 kg/m3. If the volume of the tank is V= 3m³,…

A: Given, The density of the oil = 850 kg/m^3 Volume = 3 m^3 We know, Mass / Volume = Density

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: An iron casting containing a number of cavities weighs 5.20E+3 N in air and 4.10E+3 N in water. What…

A:

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.