What mass of a material with density ρ is required to make a hollow spherical shell having inner radius r1 and outer radius r2?

Q: Calculate the density of a metal cylinder whose mass is 75.0 g if its geometric volume is 25.00 cm3.…

A: Given: The mass of the metal is 75 g. The volume of the metal is 25 cm3.

Q: A right circular cylinder having a radius of 2.0 cm and a height 5.0 cm is cut from a copper cube (ρ…

A: Given: Radius of cylinder (r) = 2 cm. Height of cylinder (h) = 5 cm. Side of cube (a) = 5 cm.…

Q: A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its…

A: We know, density=MassVolume

Q: What is the greatest distance on the surface of the earth that can be seen from the top of Mayon…

A:

Q: Calculate the mass of a solid gold rectangular bar that has dimensions Iwh = 4.40 cm x 13.0 cm x…

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

Q: Using the methods of this article, determine the surface area A and volume V of the body formed by…

A: in this question  we determine area and volume of object.

Q: What is the density of a 7 kg solid cylinder that is 10 cm tall with radius 5 cm.

A:

Q: A cylinder has radius r = 2.00 cm with error 0.01cm and length I = 10.00 cm with error 0.02cm.The…

A: Given data:  Radius of the cylinder, r = 2 cm Error in radius, dr = 0.01 cm Length of the cylinder,…

Q: 4.40 cm x 13.0 cm x 25.0 cm. (The density of gold is 19.3 x 103 kg/m.) Calculate the mass of a solid…

A: The density of a substance is given by,

Q: A homogeneous circular disc with radius R = 5.03 m and thickness t = 10.5 · 10^−3 m. Calculate the…

A: Given : Radius of the disc, R = 5.03 m Thickness of the disc, t = 10.5×10-3m Density of the disc, pv…

Q: A cubic shape object has mass 50 gm and side 20 mm. Find its density in Kg/m3. 6250 1250 5000 10000

A:

Q: The diameter of the spherical particle is (1.900x10^O) fm, and the mass is (2.51x10^-27) kg.…

A: Formula of density is as follow; ρ=mV…

Q: Iron has a density of 7.87 g/cm3, and the mass of an iron atom is 9.27 * 10-26 kg. If the atoms are…

A:

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

A: GivenInner radius is r1Outer radius is r2

Q: The diameter of a cylindrical pipe is found to be 4.8 cm with an error of ± 0.5 mm. What is the…

A: Diameter of cylinder(D) =4.8cm Error in diameter (dD) = ±0·5mm

Q: Question 12 of 16 A student wants to measure the volume of a cylinder. He used th 57.6+1.57…

A:

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A: Buoyant Force is given by FB = ρgV FB is Buoyant Force which has dimensions [MLT−2] where ρ is…

Q: What is the ratio of the surface area to the volume (a) for the 1 m sphere (b) for the 2 m sphere…

A: Given data The radius of the first sphere is r1=1 m The radius of the second sphere is r2=2 m The…

Q: 1.55 * An Earthlike Planet. In January 2006 astronomers reported the discovery of a planet…

A: Given : m = 5.5 mE = 5.5(5.97 x 1024) = 3.28 x 1025 kg ρ = 1.76 g/cm3 = 1760 kg/m3

Q: 2. The density of pure solid copper is 8.93 grams per milliliter. What volume does 7 kilograms of…

A:

Q: A student wanted to calculate the radius, r, of the base of a spherical cylinder. The student…

A:

Q: Which of the following cross-sectional areas will have the largest second moment of area? a. Solid…

A: We know that the Second moment of area is also known as the area moment of inertia of the shape, it…

Q: Which of the following is the best estimate for the mass of all the people living on the Earth? (a)…

A: Answer The population of the world is 6 billion  Assuming average weight of a human body is 50 kg…

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: If the sum of components of EX=4 N , £Y = 3 N. Then find value of resultant R is (a) 4N (b) 3N (c)…

A:

Q: The mass and density of a solid sphere are measured to be (12.4+ 0.1) kg and (4.60 ±0.2) kg/m°. The…

A: Given: The mass is m+∆m=12.4±0.1kg The density is ρ±∆ρ=4.6±0.2kg/m3

Q: A uniform plate has its boundary consisting of two concentric half circles of inner and outer ra dii…

A: Draw the diagram of the problem.

Q: In the equation, C2=C, py+0.5pv2, if y is distance, g is gravitational acceleration, p is density…

A: Introduction: When we add or subtract two physical quantity then the dimension of the physical…

Q: One cubic centimeter (1.0 cm3) of water has a mass of 1.0 ✕ 10−3 kg. (a) Determine the mass of 1 m3…

A: V=1cm3 = 1*10-6m3, m=1*10-3kg ρ=m/v = 1*10-3 / 1*10-6 = 1*103 Kg/m3 -i) (a) Now v=1m3 Mass(m)= ρ*v…

Q: Assume that you measure the dimensions of a hollow cube with a vernier caliper many time and obtain…

A:

Q: Copper can be drawn into thin wires. How many meters of 34- gauge wire (diameter=6.30x10-3 in) can…

A:

Q: A woman measures the angle of elevation of a mountaintop as 12.0°. After walking 5.55 km closer to…

A: Given that, The angle of elevation of a mountaintop as 12.0° After walking 5.55 km closer to the…

Q: An object’s average density r is defined as the ratio of its mass to its volume: r = M/V. The…

A:

Q: An object’s average density ρ is defined as the ratio of its mass to its volume: ρ = M/V. The…

A:

Q: Determine the minimum cost of the box if the front and top shall cost 1.50 per sq. m. and the bottom…

A: Concept of Maxima minima

Q: 3. A right circular cylinder having a radius of 2.0 cm and a height 5.0 cm is cut from a copper cube…

A:

Q: alculate the mass of a solid gold rectangular bar that has dimensions lwh = 5.65 cm ✕ 10.5 cm ✕ 27.5…

A: mass = volume x density  volume = 5.65 cm ✕ 10.5 cm ✕ 27.5 cm. =1631.4375 x 10-6 m3 Density  = 19.3…

Q: A farmer wants to fence off his four-sided plot of flat land.He measures the first three sides,…

A: Equate horizontal component of the resultant vector to zero

Q: Help.!!!

A: 1) To find : the estimated length of the rod to the nearest 0.1 cm

Q: A homogeneous circular disc with radius R = 5.01 m and thickness t = 16.9·10^−3 m. Calculate the…

A: Given: Radius of disc: R=5.01 [m] Thickness of disc: t=16.9×10-3 [m] Density of disc: ρ=6.67 [kg/m3]

Q: The density p of a cylindrical specimen with mass m, radius r and length h has m been estimated from…

A:

Q: To estimate the size of the moon, a person holds a round pencil of diameter 0.70 cm. When the pencil…

A: Calculate the angle subtended by the moon. θ= Diameter of pencil/distance of moon from eye    =…

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A: Given: The buoyancy force is given as. FB = ρgV The FB has dimensions [MLT−2], ρ (density) has…

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.