If the density (mass divided by volume) of the wall material is the same as that of pure water, what is the mass (in mgmg) of the cell wall, assuming the cell to be spherical and the wall to be a very thin spherical shell?

Q: Calculate the average density of the earth in terms of g, G and R.

A: To calculate: The average density of the earth in terms of g, G and R. Formula used: g=GMR2 Here, g…

Q: If someone tries to smuggle gold bars by filling their backpack, whose dimensions are 60.0 cm x 28.0…

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Q: A rectangular box is h=18 inches in high, w=36.5 cm wide, and L=1.9 yards long. What is the volume…

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Q: The radius of an atom of gold (AuAu) is about 1.35 ÅA. How many gold atoms would have to be lined up…

A: Given value--- radius = 1.35 A. distance = 2.5 mm. We have to find--- number of atom ?

Q: Calculate the approximate number of atoms in a bacterium. Assume that the average mass of an atom in…

A: Given The mass of a bacterium is mb=10-15 kg. The mass of a proton is mp=10-27 kg. we know that…

Q: You measure a certain flow rate to be Q=12.9±1.6cm3/min. What would be the uncertainty in the…

A: The given value of flow rate is, For a logarithmic value (base 10), the absolute uncertainty can be…

Q: 2.03 ) Diameter of a coin is measured ast.cm and its height (thickness) is measured as 0.024 cm and…

A: The density of the coin is given by equation (1). Density is a characteristic property of a…

Q: If the radius of a CD-ROM is 6 cm, what is the average area taken up by each bit if the total number…

A: The radius of a CD ROM is, The total area of a CD ROM can be given as, The total number of nits…

Q: A sphere of radius r has surface area A = 4πr and volume V = (4/3) πr . If the radius of the sphere…

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Q: A substance of mass 49.53 g occupies 1.5cm^3 of volume.the density of the substance(in g cm^-3) with…

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Q: Although aluminum foil is very thin, it does have some thickness. We cannot typically “measure” the…

A: The volume of the cuboid = length×width×height   Length and width are given but height is not given…

Q: An architect is redesigning a rectangular room on the blueprints of the house. He decides to double…

A: Given data:  New width (b1) = 2b New length (l1) = 1.89 l New height (h1) = 1.20 h Required: Factor…

Q: Given that the average size of a human skin cell is about 10 microns across, which of the following…

A: Scientists estimate that the human body is made up of around 10 trillion cells in total. Your skin…

Q: How many significant figures are in each of these measurements?

A: 0005 we know all non zero numbers are significant  all zeros in left side of the digit is…

Q: Determine the dimensions in the MLT system, for (a) the product of mass times velocity, (b) the pro

A: Given:- the dimensions in the MLT system,  Find:- (a) the product of mass times velocity, (b) the…

Q: What is the density of a substance of mass 108 g and volume 12 cm3 ?

A: Given data :                      Volume  =  v                       Mass  =  m       To find :…

Q: The dimensional homogeneity of the equation S = ut + 1/2 ut square is L prove that this assertion is…

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Q: A study from the National Institutes of Health states thatthe human body contains trillions of…

A: Consider that the average mass of a human being is 90 kg.

Q: Computer chips are etched on circular silicon wafers of thickness 0.60 mm that are sliced from a…

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Q: Treat a cell in a human as a sphere with a radius of 1.0

A: Given, the radius of a cell assuming it to be spherical, r=1 micrometre  We need to estimate the…

Q: The Colburn equation for heat transfer is: where Cp is heat capacity, Btu Ib °F; u is viscosity, Ib…

A: Given colburn equation,  hcpGcpμk23=0.023DGμ0.2 where,cp is heat capacity whose units are Btu lb-1…

Q: One mole of atoms consists of 6.02 × 1023 individual atoms.  If one mole of unicorn atoms were…

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Q: Consider the equation 4000/400 = 10.0. Assuming the number of significant figures in the answer is…

A: To determine: Find the number of significant figures in 4000 and 400.   Given: number, 4000 can be…

Q: By what factor does the volume of a cube increase if the lengths of the edges are doubled?

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Q: he proportion of impurities per batch in a chemical product is a random variable X with density…

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Q: Q.4: Find the fraction of the body centered cubic unit cell volume filled with hard spheres as shown…

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Q: The following formula estimates an average person’s lung capacity V (in liters, where (1L=103cm3)…

A: In the equation :V = 4.1H +0.018A +2.7All the terms must have same all dimension to be accordingly…

Q: Objectives: 1. Analyze sets of data and decide whether the measurements are precise and/or accurate.…

A: Note : According to our guidelines , we are only allowed to answer 3 subparts per question . If you…

Q: The radius of a sphere is increasing at a rate of 5 mm/s. How fast is the volume increasing when the…

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Q: A contractor wants to install ceramic tile in a kitchen of length 9.13 m and width 6.2 m. What is…

A: Area of a rectangle= length × breadth

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

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Q: How many liters of water can you fill a cube that measured 10cm each side?

A: Given : Length of each side of cube (a) = 10 cm

Q: typical male’s body surface area S in square meters is often modeled by the formula S = 1 6/0 √wh,…

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Q: Fat cells in humans are composed almost entirely of pure triglycerides with an average density of…

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Q: A scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a…

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Q: Check An architect is redesigning a rectangular room on the blueprints of the house. He decides to…

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Q: A rectangular box with mass 16.5 g is said to have dimensions of 2.8 cm x 1.7 cm * 0.4 cm .…

A: Given data:  A rectangular box  Mass (m) = 16.5 g Length (l) = 2.8 cm Width (W) = 1.7 cm Depth (d) =…

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A: Given that metabolic rate (R) is proportional to mass(m) powered 34th : R∝m34

Q: 1.2 Let us assume that we are to determine the volume of a spherical ball bearing. After of the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A typical oil molecule has an effective diameter of 0.25 nm. If 25 L (1 L is the same as 1000 cm3)…

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Q: How many ping pong balls would fit into a room 3 m wide by 4 m long by 4 m tall (without being…

A: Length of room ,l = 4 m width of room,   b = 3 m height of room,  h =4 m Diameter of ping pong,d =…

Q: A building 200 ft tall is 300 ft by 500 ft in cross section. If all four sides of the building are…

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