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- A large chunk of metal has a mass of 393 kg, and its volume is measured to be 0.05 m3. (a) Find the metal's mass density and weight density in SI units, (b) what kind of metal is it?01. From the data obtained by a group of students below, compute the experimental density of the material and compare it with the accepted value by computing the percentage error. The material is of copper with a standard density of 8.9 g/cm3. Fill up the table in the answer sheet completely. Solid Object Dimensions Mass Cylinder D = 3.25 cm; h = 6.48 cm 464 g (V= ¶02h/4)A scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a factor of 613. In the micrograph the xylem vessel is 2.80 cm in diameter. a. What is the diameter of the vessel itself? answer in cm b. By what factor has the cross-sectional area of the vessel been increased in the micrograph?
- A scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a factor of 598. In the micrograph the xylem vessel is 2.80 cm in diameter. a. What is the diameter of the vessel itself? b. By what factor has the cross-sectional area of the vessel been increased in the micrograph?Objectives: 1. Analyze sets of data and decide whether the measurements are precise and/or accurate. 2. Calculate percent error. The following sets of measurement for the density of a small cylinder of aluminum were given. The "accepted' density of aluminium is 2.702 g/cm3. SET A SET B 2. 240 g/cm 2.700 g/cm3 2.690 g/cm3 2.705 g/cm3 2.450 g/cm3 2.703 g/cm³ 2. 150 g/cm 2.701 g/cm³ 1. Calculate the average value for each set of density. 2. Calculate the % error for each set of values. 3. Compare the average value for each set with the accepted value: Which student's data is more accurate? Which student's data is more precise? 4. Compare the percentage error for each set: Which student's data is more accurate? Which student's data is more precise?Sample you are using is Tin 1.Calculation of density of cylindrical objectMass of cylindrical object with hook 35.943 gMass of hook1.250 gMass of cylinder without hook Volume of cylinder without hook Density of your object (without hook) Density of metal given in Table 1 g cm3 g/cm3 g/cm3Percent error of your density determination((exp erimental value theoretica l value) x100 % errortheoretica l value Table 1. Densities of several substancesSymbol on bottom of cylinderMetalDensity (g/cm3)CCopper8.92AAluminum2.70TTin7.28ZZinc7.14SSteel7.83
- Friction Be able to calculate, for both kinetic and static friction: a. The frictional force, given the mass and coefficient of friction, including experimental uncertainty. b. The coefficient of friction, given the mass and frictional force, including experimental uncertainty. c. The mass or the normal force, given the friction coefficient and the applied frictional force, including experimental uncertainty. Be able to sketch a force diagram for a block either at rest or sliding, with friction. Example 1: A block of wood with a mass of 220 g (assumed exact) is sitting on a surface, where the coefficients of static and kinetic friction between the materials are μ = 0.31±0.01, Mk = 0.22 +0.01. What force is required to get the block moving? Quote your answer including an experimental uncertainty. (0.67N ± 0.02N) Once the block is moving, what horizontal force is required to keep the block sliding at constant speed? Quote your answer including an experimental uncertainty. (0.47N ± 0.02N)…Let ρAl represent the density of aluminum and ρFe that of iron. Find the radius of a solid aluminum sphere that balances a solid iron sphere of radius rFe on an equal-arm balance.One of the most well-known equations in fluid mechanics is the Bernoulli equation. The standard form of the Bernoulli equation for incompressible irrotational fluid flow is (see pic below)(P is pressure, u is flow velocity of the fluid, z is the height of fluid relative to a reference line)a. Verify that each additive term in the Bernoulli equation has the samedimensions. b. What are the dimensions of the constant C?
- Activity 1: A) If the volume of a liquid (V) flowing out per second of a pipe of length 1 and radius ris written by a student as: pxr4 V = 8 xl' , where p is the pressure difference between the two ends of the pipe and n is the coefficient of viscosity of the liquid having the dimensional formula [ML-¹T-¹]. Check if the equation of volume is dimensionally correct or not. Hint: n has the dimensional formula of [ML-¹T-¹]. B) Find the dimension for [B] and [y] that makes the following formula dimensionally correct: Y x² (Knowing that t = time, F = force, v = velocity, x = distance). t² = Fv+N take 10 pls and t is not height , it is thickness . Punc diameter is 99.5 than formula. Thank you ? have nice day.A solid metal sphere has a radius of 3.53 cm and a mass of 1.796 kg. What is the density of the metal in gcm3 The volume of the sphere is V=43πr3