You are using water to dilute small amounts of chemicals in the laboratory, drop by drop. How many drops of water are in a 1.0 L bottle?(Hint: Start by estimating the diameter of a drop of water.)

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

A: (a) Total Volume  V = 4/3*pi*r^3 = 4/3*pi*(12 um) ^3 = 7238.23 um^3

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

A:

Q: If 2 gallons of water comes out of a 3/4" diameter faucet every minute, what is the speed of the…

A:

Q: A student measured the volume of a liquid multiple times. The true value of the volume was 80 mL.…

A: Given that : A student measured the volume of a liquid multiple times. The true value of the volume…

Q: A baseball is thrown upward with an initial velocity of 50.0ft./sec. Find the time it takes to rise…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: A house’s electricity use, over a one day period, is modelled by E(t) = t + sin(t) (kW), where t is…

A: Power=Work/time Energy=Work=power×time

Q: two gallons of water come out of a 3/4" diameter faucet every minute, what is the speed of the…

A: Given that: Two gallons of water come out of the diameter of the 34faucet every minute.     It is…

Q: The measurement error is defined as AX=X-Xo where Xo is the true value of a physical quantity. X is…

A: The true value of the physical quantity is X0 and the measured value of physical quantity is X.…

Q: A silver sphere with a radius of 5.2 cm weighs the same as a certain aluminum cube. How long are the…

A:

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: fine grains of beach sand are assumed to be spheres of radius a. 45.7 μm. These grains are made of…

A: Given data: The diameter of each grain is, The density of the silicon dioxide grain is, Formula…

Q: A new drug is metabolized by healthy aduits at a rate of 25% each hour. After 2.5 hours, a patient…

A:

Q: Working in a laboratory, you carefully measure 80.00 mL of solution ten times in a row, each time…

A: Here true value = 900.0 ml  Here measured value = (80.00)(10) ml

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: A closed rectangular container with a square base is to have a volume of 2000 in. The material for…

A: Given: Volume of the container, V = 2000 in3 Cost of material for top and bottom, Ctb = $4 /in2 Cost…

Q: Our classroom was kept at 25.0°C during your experiment, so v is predicted to be 343 m/s. What is…

A: Given data :              Speed of sound in air ;                                          Expected…

Q: The aorta branches many times until the blood finally reaches the smallest branch: the capillaries.…

A: Total Blood Volume: The total volume of blood in the human body is around 5 liters. If each…

Q: A spherical balloon is partially blown up and its surface area is measured. More air is then added,…

A: Given: Surface area of the balloon expands by a factor of 9.90

Q: A large tank is filled to capacity with 300 gallons of pure water. Brine containing 4 pounds of salt…

A:

Q: A cylindrical tank with a large diameter is filled with water to a depth D = 0.273 m. A hole of…

A: Given that, A cylindrical tank with a large diameter is filled with water to a depth D = 0.273 m.…

Q: Dimension Y is the sum of three parts sequentially numbered 1 through 3. Their dimensions are X1,…

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Q: 1.6) Consider the duct system shown in figure Q1.6. Air flows through two 200 mm x 400 mm ducts that…

A: To solve this problem, we can use the principle of continuity, which states that the volume flow…

Q: 45 gg of gasoline are mixed with 60 gg of water. What is the average density of the mixture? Express…

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

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Q: A compressed gas with a total mass of 114 kg is stored in a spherical container having a radius of…

A:

Q: A silver sphere with a radius of 9.9 cm weighs the same as a certain aluminum cube. How long are the…

A:

Q: Your calculated density of aluminum is d = 2.7 g/cm³. The accepted value of the aluminum density is…

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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: As an architect, you are designing a new house. A window has a height between 130 cm and 140 cm and…

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

A:

Q: A scientist is working with 19 meters of gold wire. How long is the wire in millimeters? Be sure to…

A: Given  Length of the gold wire     L = 19 meters   We know ,   1 meter = 1000 millimeters   10-3…

Q: (a) What is the volume (in km3) of Avogadro’s number of sand grains if each grain is a cube and has…

A: The side of the sand grain, l=1 mm=1×10-3 m   The width of the beach, b=100 m   The depth of the…

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

A:

Q: A silver sphere with a radius of 5.8 cm weighs the same as a certain aluminum cube. How long are the…

A: radius of silver sphere (r) = 5.8 cm density of silver (d1) =10.49 gcm3density of aluminum  (d2)=…

Q: A typical bathroom sink faucet releases about two gallons of water every minute.   a) If it takes…

A: Given, faucet releases water in 1 minute= 2 gallons. a) To find, water used in 2.5 minutes. In 1…

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.