The Body Mass Index (BMI) is a number that is often used to determine if an individual is a healthy weight. The function for finding an individual's BMI is: 720w which could also be written as f(w,h) = (720w)÷h² h2 f(w, h) = where w = weight in pounds and h = height in inches. Use the BMI function to find the BMI for individuals with the following weights and heights: Round your answers to the nearest tenth. weight = 106 pounds and height = 57 inches 22.90 weight = 200 pounds and height = 68 inches 30.40 weight = 219 pounds and height = 78 inches Number weight = 210 pounds and height = 76 inches Number

The Body Mass Index (BMI) is a number that is often used to determine if an individual is a healthy weight. The function for finding an individual's BMI is: 720w which could also be written as f(w,h) = (720w)÷h² h2 f(w, h) = where w = weight in pounds and h = height in inches. Use the BMI function to find the BMI for individuals with the following weights and heights: Round your answers to the nearest tenth. weight = 106 pounds and height = 57 inches 22.90 weight = 200 pounds and height = 68 inches 30.40 weight = 219 pounds and height = 78 inches Number weight = 210 pounds and height = 76 inches Number

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.22P: 1.22 In order to prevent frostbite to skiers on chair lifts, the weather report at most ski areas...

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Q8): To find how much heat is required to bring a kettle of water to its boiling point, you are asked to calculate the specific heat of water at 61°C. The specific heat of water is given as a function of time in Table below. Temperature, T Specific heat, C₂ (°C) J kg-°C 22 42 52 82 100 4181 4179 4186 4199 4217 Determine the value of the specific heat at 7=61°C using the direct T method of interpolation and a third order polynomial. Find the absolute relative approximate error for the third order polynomial approximation (Lagrange Method).
You have the six pieces of metal listed below plus a beaker of water containing 400. g of water. The water temperature is 21.0 °C. Metals Specific Heat (J/g. K) Mass (g) 1. Al 0.9002 100. 2. Al 3. Au 4. Au 5. Zn 6. Zn 0.9002 0.1289 0.1289 0.3860 0.3860 50. 100. 50. 100. 50. The specific heat capacity of water is 4.184 J/g °C.
Consider a process to prepare a metal for a certain application. There are five parameters that must be considered: temperature, quenching rate, cooling time, carbon content, CO₂ concentration. It is desired to determine which of these parameters has the most influence on the process. There are two levels for each parameter as shown below. Temperature (°C) Quenching Rate(°C/s) Cooling time (s) Carbon Content (wt% C) CO₂ Concentration (%) Eight experiments were defined as follows: Experiment Carbon Content (wt% C) 1 2 3 4 5 6 7 8 1) What size orthogonal array should be used for evaluation (assume noise is negligible)? 2) Generate the array with the level values (i.e. Level 1 and Level 2). 1 1 1 1 6 6 6 6 Quenching Rate (°C/s) 35 35 140 140 35 35 140 140 Four trials were run for the experiments defined above: Experiment 1 2 3 4 5 6 7 8 Level 1 760 35 1 1 5 T1 68.00 69.84 74.36 71.71 91.27 54.39 64.65 60.31 Cooling Time 1 1 300 300 300 300 1 1 T2 61.41 64.76 61.30 58.42 90.89 Level 2 900…
Q1. The following data is obtained during geothermal drilling operation. Rock density = 1550 kg/m ³, heat capacity of the rock = 0.00163 J/kg K, temperature difference = 80 K. How much will be the thermal heat content of the rock at the geothermal site? Discuss about geothermal gradients their importance in energy exploration. Do you think utilization of geothermal energy worldwide is increasing yearly? Justify your answer. Do you think the geothermal energy available in this site can be used for a metal melting industry?
A 4-legged power cycle is represented by the numerical values provided in the following table, all of which are in BTU. Determine (a) the missing entries (in BTU) and (b) the thermal efficiency of the cycle [0.4] Process 1-2 2-3 m 900 -800 350 AKE APE 100 0 -100 100 100 -100-200 M Q 1000 0 the 500 -50
2:41 .ll ? a docs.google.com 50 cm 150 cm 250 cm 200 cm 100 cm If both the mass m of a simple pendulum and its length L are halved, the period will * increase by a factor of 0.71. increase by a factor of 1.4 be unchanged. increase by a factor of 1/2. Вack Submit Clear form Never submit passwords through Google Forms. This form was created inside of middle technical university. Report Abuse Google Forms -> + 21 ...
As we explained in earlier chapters, the air resistance to the motion of a vehicle is something important that engineers investigate. The drag force acting on a car is determined experimentally by placing the car in a wind tunnel. The air speed inside the tunnel is changed, and the drag force acting on the car is measured. For a given car, the experimental data generally is represented by a single coefficient that is called drag coefficient. It is defined by the following relationship: F, where air resistance for a car that has a listed C, = drag coefficient (unitless) measured drag force (N) drag coefficient of 0.4 and width of 190 cm and height of 145 cm. Vary the air speed in the range of 15 m/s
The left side of this equation tells how much energy Q the cylinder gives to the water while it cools. The right side of this equation tells how much energy Q the water and aluminum cup absorb from the cylinder to warm up. Because it is the same energy, they are equal. What is known in this equation? Mcyl 411.7 g, malum 46.5 g, malum+water = 175 g Can you find: mwater =? g Twater = Talum = 20°C (water and cup of room temperature) 90°C, T; = 35°C (hot cylinder and cool "cylinder+cup+water" temperatures) Tcyl kCal Calum = 0.22, Cwater 1 (specific heat of water and aluminum, measured in units kg-°C What are we looking for is Ccul - How we find it? Plug all the numbers into the equation (1), Ccul will be one unknown which you can calculate from the equation. Important, convert all the masses from grams to kilograms! After you find Ccyl, compare it to known value for the copper 0.093(our cylinder is made out of copper). |Ceyl -0.093| % : · 100% 0.093
Mechanical Engineering The following table shows the kinetic energy and potential energy according to the speed of an object descending along a frictionless rain surface. What is the potential energy when the speed is 3/2v ? (It satisfies energy conservation) velocity kinetic energy 1500J potential energy V 3/2 * v 2v 1. 1400 J 2. 1000 J 3. 800 J 4. 600 J Please solve step by step. Thanks in advance! 1600 J
25 Question 10 Anwer 2 g of air in a piston cylinder is compressed isothermally. The initial temperature is 399 K, the initial pressure is 7.1 bar, and the final volume is 2.8 litres. What is the heat transfer during the process? Give your answer in Joules to the nearest whole number. Far air co1.005 kJ/kgK and cy- 0.718 kJ/kgK.
Q1. Honey is a very widely used ingredient in cooking all around the world. Many commercial honey manufacturers heat treat honey to remove harmful bacteria that may be present. The density and viscosity of the honey varies with temperature, as shown in table 1. Temperature K 293 298 303 308 313 318 323 Density kg/m³ 1403 1398 1393 1388 1383 1378 1373 Viscosity Pas 55.66 46.45 37.99 30.28 23.32 17.11 11.65 Table 1: Fluid properties of honey. A particular processing facility heats and sterilises 500 kg of unprocessed honey every 30 minutes. The unpro- cessed honey is stored in large vats, then pumped though pipes into heating units before being pumped through another pipe to be bottled. The pipe carrying the honey from a storage container, which is 11 m tall, to a heating unit is 5 m long and has a diameter of 10 cm. Prior to being heated the honey is kept at 25°C. (a) What is the pressure difference between the top and bottom of a storage vat when it is full? (b) What is the volume flow…
S The following are the values of righting levers, in metres, at various angles of inclination for a ship: KN (m) 450 4.70 (Tonne) 7000 10000 15000 20000 25000 00 60° 150 1,86 1.77 1.68 309 3.87 3.66 3.50 3.41 3.42 750 6.22 6.30 6.32 900 5.92 5.96 5.91 5.70 5.36 0.0 5.35 0.0 5.79 0.0 0.0 0.0 4.95 4.85 4.55 4.18 5.86 5.38 4.76 1.63 1.67 6.14 5.92 In a particular condition of loading the displacement is made up as follows: Item Lightship Cargo Fuel Stores Mass (Tonnes) 6000 5900 1300 Kg (m) 8.17 5.02 3.66 100 10.97 Plot the cross curves of stability and from them, draw the curve of statical stability for the given condition. State the range of stability and the maximum GZ. [Ans: 0-75.5°; 0.46 m]