The density of lead is 12 grams per cm3.  A lead brick has a mass of 1.5 kilograms. Its dimensions are 10 cm by 5 cm by 4 cm. Is it:a) More than 75% hollowb) Between 50 and 75% hollowc) Between 25 and 50% hollowd) Between 0 and 25% hollow

Q: What mass of fresh water (in kg) can be contained in a box whose dimensions are 298 mm by 281 mm by…

A:

Q: You have an 18-carat gold coin (an alloy of gold and copper). Its mass is 6 grams. Using the fact…

A: Given: Mass of gold coin =6 grams Density of pure gold =19300 kg /m3 Density of copper =8960 kg /m3

Q: The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its…

A:

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 Data: The density of the gold is: ρ=19.32 g/cm3 (a) The mass of the gold is: m=6.638 g The…

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

A:

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

A: Density , ρ = 19.32 g/cm3 = 19.32 x 103 kg/m3  Mass , m = 6.609 gm = 6.609 x 10-3 kg Thickness , t =…

Q: An aluminum block has a mass of53.7 g. What is the area of the rectangle incm2if the height of the…

A:

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

A: Density:  Density is defined as the ratio of the mass and the volume of the substance.…

Q: The average value of the squared speed does not equal the square of the average speed. To verify…

A: Here, v1=2.20 m/sv2=4.32 m/sv3=8.09 m/s

Q: What is the mass of a rectangular solid made of Brass, that has dimensions of 10.5 cm x 7.1 cm x 2.3…

A: Given: Dimension of brass solid, 10.5 cm×7.1 cm×2.3 cm Density of brass, ρ=8.73 g/cm3 To find: Mass…

Q: Plot a graph on a milimetric paper by hand using the following data. x (ст) 3.1 4.2 5.8 7.1 8.5 9.3…

A:

Q: Wooden Block Measurements ZL 1cm 2 3 4 .LOA ĿL Figure 1: Block Length 5 OL 6 7 6 8 9 10 11 12 13 8 L…

A: This is a question from the experimental physics and analysis of the possible error in the…

Q: surface area to volume

A: True

Q: A piece of wire of length 1.00 m is cut into two parts, one of which is bent into a shape of a…

A: GivenA piece of wire of length 1.00 m is cut into two parts

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

A:

Q: Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and…

A:

Q: A steel W1re of length 2.5 m and area of ross section 1.25 mm², when it is stretched by a force of…

A: length of the steel wire, l=2.5 m Cross sectional area=1.25 mm2=1.25×10-6 m2Force applied=40 NThe…

Q: A study room has dimensions of 8 m by 10 m and 3.5 m tall. The air in the room is to be exchanged 7…

A: Given: dimension of room: 8 m × 10 m × 3.5 m velocity of air, v = 8.3 m/s time taken to remove air 7…

Q: A U.S. 1-cent coin (a penny) has a diameter of 19 mmmm and a thickness of 1.5 mmmm. Assume the coin…

A: diameter of coin= 19 mm Radius of coin (r) = 9.5 mm Thickness (t) of coin = 1.5 mm density of pure…

Q: A rectangular brass bar, of mass M, has dimensions a, b, c. The following results They were…

A: to find the uncertainty in the density of the material we need to find the percent error then do the…

Q: A solid with a cylindrical shape has a radius of 5cm ang height of 10cm. What is the density of the…

A:

Q: An aluminum cylinder, with a mass of 51.5 grams, a diameter of 2.52 cm, and a height of 3.75 cm, and…

A:

Q: Neutron stars consist only of neutrons and have unbelievably high densities. Atypical mass and…

A: Given, mass of a neutron star is M=5.6×1028kg the radius of a neutron star is R=1.5×103m   a) Then…

Q: density

A:

Q: An engineering apprentice is given a rectangular sheet of metal of dimensions 500mm x 300mm. She is…

A: Let's assume that the length of the sides of the square that should be cut to maximize the volume be…

Q: What mass of a material with density r is required to make a hollow spherical shell having inner…

A:

Q: Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and…

A: Given that Mass of the Neutron star M = 4.7 × 1028 kg Radius of the Neutron star R = 1.4 × 103 m…

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

A:

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

A:

Q: Gold is one of the most malleable and ductile metals, so if the density of gold is 19.32 g cm3, then…

A: Two relevant formula for this problem is Density=MassVolume and  Volume = area × thickness

Q: The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each…

A: Formula of density is as follows: ρ=mV…

Q: A uniform density sheet of metal is cut into the shape of an isosceles triangle, which is oriented…

A: Consider the whole triangle and the small inner triangle with the slice as the base. These are…

Q: A silver wire of radius r= 0.5 mm and resistance 0.06 Ω is connected to a voltage source of 3.1 mV.…

A: Density of free electron n=1.59×1028m-3 The voltage V=3.1 mV=3.1×10-3V The resistance of the wire…

Q: An accomplished silversmith needs an extremely thin sheet of silver. If he starts with a 3.70-kg…

A: Mass of silver sheet, m = 3.70 kg  Thickness,  t = 5.00 × 10-7 m  Density of silver, d = 10.1 × 103…

Q: The surface area of a solid cylinder of radius 2.0 cm and height 10.0 cm is equal to …(mm)2

A:

Q: A block of wood is kept on table top. The mass of wooden block is 5kg and its dimensions are…

A: mass of the wooden block = m= 5 kg dimensions = 40 cm × 20 cm × 10 cm the weight of the wooden block…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

A:

Q: A cylinder made of either alumnium or brass has a mass of 250 g and a diameter of 10 cm. What is its…

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.