Four astronauts are in a spherical space station. If, as is typical, each of them breathes about 500 cm3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year?

Q: The average depth of the oceans is about 3.63 km, and oceans cover about 70% of Earth’s surface.…

A: We know, The circumference(P) of a sphere of radius R, is P = 2πR The surface area (A) of a sphere…

Q: The density of bubble gum is about 1g/cm3. You blow an 8g wad of gum into a bubble 9cm in diameter.…

A: Given: The density of bubble gum is  ρ=1 g/cm3, The mass of gum is m=8 g, The diameter of the…

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: An object with a mass of 61.0 g displaces 785.0 ml of water when it is completely immersed. What is…

A: Mass = 61  Volume = 785 mL Fbuoyant = Fb = rho*V*g = 10^-3*785*9.8 = 7.693 N

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: Problem 2: A rectangular box is h= 14 inches in height, w = 26.5 cm wide, and L = 1.9 yards long.…

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Q: A typical atom has a diameter of about 1 × 10^ -10 m. (a) What is this in inches? (b) Approximately…

A: given data diameter of each atom, d = 1.0*10-10 m 1 cm line what is this in inches? how many atoms?

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50.0 μm and…

A: Formula for the surface area of a cube is:

Q: A king size bed is generally measured to be 12 feet wide and 10 feet long in size. How long is it in…

A: The fundamental unit for measuring length is the meter. Conversion of unit of the length is given…

Q: You are given a steel ball bearing 0.553 inches in diameter. (a) What is the volume of this ball…

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Q: On planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.2 feet tall on Earth.…

A: Given Height of Ann on Earth is HAnn, earth=5.2 ft Height of Ann on planet Z is HAnn, Z=88 foosi…

Q: Two types of barrel units were in use in the 1920s in the United States. The apple barrel had a…

A: Solution: Given:  1 in3 = 0.0163871 liter   V1 = 1 apple-barrel = 7056 in3 V2 = 1 cranberry-barrel =…

Q: In the fall of 2002, scientists at Los Alamos National Laboratory determined that the critical mass…

A: The expression for find volume of the sphere is V=mρ Substitute values in the above equation…

Q: Since 1 cm = 1 mL, then how many cm' are in a liter? %3D

A: Given: 1 cm3 = 1 mL

Q: Consider a rectangle with a measured width of ? = 9.6 ± 0.3 cm and a length of ? = 30.2 ± 0.7 cm.…

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Q: A typical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 9.000…

A: Given:-  A typical human cell has an approximate in diameter of d= 12.00 μm The thickness of the…

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: The cube of iron and the cube of brick have the same dimensions. Each cube has sides of length l =…

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Q: A box is measured to be 15.0 inch x 12.0 inch x 8.00 inch. Calculate its volume in cubic meter.…

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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…

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Q: Acre-feet (af) is a unit that some non-scientists unwisely use to measure volume of liquids. By…

A: An acre-foot is 1 foot multiplied by 1 acre.  1 acre is equal to about 4 × 104 ft2.

Q: If you used only a keyboard to enter data, how many years would it take to fill up the hard drive in…

A: Given, 1 byte =1 keyboard character. Typing speed = 180 characters per minute => 180 bytes can be…

Q: I bought a pack of 100 rectangular index cards. Each card measured 15 by 10 cm. The pack said ：Paper…

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Q: One cm3 of gold is 19.32 g. What is the density (ratio of mass to volume) of gold in kg per m3 ?  I…

A: Given that, One cm3 of gold is 19.32 g. The density (ratio of mass to volume) of gold in kgm3 is…

Q: the average density of an atom is approximately 103 kg/m3. The nucleus of an atom has a radius about…

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Q: Problem 1: A rectangular box is h = 4.5 inches in height, w = 39.5 cm wide, and L = 1.1 yards long.…

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Q: Grass grows densely everywhere on a 0.300 acre plot of land. What is the approximate number of…

A: The are of the plot is A = 0.3 acreSince 1 acre = 43560 ft2,A = 0.3 × 43560 A = 13068 ft2 Ablade =…

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 m and…

A: