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When the Sun becomes a red giant, it's luminosity will be 2000 times its current value. The solar flux at Earth will also increase by a factor of 2000. Neglecting the greenhouse effect, the surface temperature of the earth is determined by thermal equilibrium: the flux of radiation absorbed equals the flux of radiation emitted. This means the Earth's surface flux must also increase by a factor of 2000. If the current average surface temperature is 58 degrees F. what will the average surface temperature be when the Sun is a red giant. [Hint: use the Stefan-Boltzman's law in the form of a ratio, and remember that the temperature there is in Kelvins.]

Newton's Law of cooling states that the rate at which heat is lost by a heated body is proportional to the difference in temperature between the body and the surrounding medium. Match the following statements/phrases with the corresponding item in the drop down box. Choices in the box 1. In accordance with the stated law obove, we have the equation? 2. If a thermometer is taken outdoors where the temperoture is 5 deg C, from a room in which the temperature is 20 deg C and the reading drops 10 deg C in one minute, the working equation is? 3. In the obove problem, separoting the variables and integrating will result to? 4. In the obove problem, how long, in minutes, after its removal from the room will the reading be 6 deg C? 5. In the obove problem, ofter 30 seconds, whot will be the thermometer reading? 5.2 dT(body temp)/dt = k(Temp of medium - 5) dr(body temp)/dt = k(Temp of body - Temp of medium) Temp of body = Cenkt +5 2.5 13.7 dr(body temp)/dt = k(Temp of medium - Temp of body)…

I need help in question 23, the answer for question 22 is 4.9kN

7. Why are land and groove markings on a bullet considered Class Evidence, while the striation markings on a bullet are consider Individual Evidence? 8. You recover two bullets from the wall of a crime scene. These recovered bullets are visible below: Bullet #1 Enlarged View Enlarged View Bullet #2 Actual Size Actual Size Bottom View Bottom View Bottom View Bottom View Complete the Evidence Table below. You can easily convert millimeters to inches (if needed) using the following formula: # of millimeters # of inches 25.4 mm per inch Firearm likely produced by what manufacturer? Approximate Bullet Evidence Table Direction of # of Lands Caliber Twist (English) Bullet #1 Bullet #2 Do you believe that Bullet #1 and Bullet #2 were fired from the same gun? 86

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An increasing number of Americans are moving to a warmer climate when they retire. To take advantage of this trend, Sunny Skies Unlimited is undertaking a major real-estate development project. The project is to develop a completely new retirement community (to be called Pilgrim Haven) that will cover several square miles. One of the decisions to be made is where to locate the two paramedic stations that have been allocated to the community to respond to medical emergencies. For planning purposes, Pilgrim Haven has been divided into five tracts, with no more than one paramedic station to be located in any given tract. Each station is to respond to all the medical emergencies that occur in the tract in which it is located as well as in the other tracts that are assigned to this station. Thus, the decisions to be made consist of (1) the tracts to receive a paramedic station and (2) the assignment of each of the other tracts to one of the paramedic stations. The objective is to minimize…

I want to briefly summarize what he is talking about and what you conclude. pls very urgent

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Learning Goal: To analyze a rod assembly in three-dimensional space and determine the support reactions by using the equations of equilibrium for a rigid body. The rod assembly shown has smooth journal bearings at A, B, and C. The forces F₁ = 650 N, F₂ = 560 N, F3 = 430 N, and F₁ = 925 N are applied as shown in the figure. The geometry of the rod assembly is given as a = 0.900 m, b=0.600 m, and c = 0.650 m. Neglect the weight of the rod. Determine the 2 component of the reaction exerted on the rod at C. Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) НА ? Cz = Value Units x A B FA Submit Previous Answers × Incorrect; Try Again - Part C - Finding the z component of the reaction at B Determine the component of the reaction on the rod at B. Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) μA B₂ = Value Units Submit Previous Answers × Incorrect; Try Again ? Part D -…

There is a light pole on one bank of a small pond. You are standing up while fishing on the other bank. After reflection from the surface of the water, part of the light from the bulb at the top of the pole reaches your eyes. Use a ray diagram to help find a point on the surface of the water from where the reflected ray reaches your eyes. Determine an expression for the distance from this point on the water to the bottom of the light pole if the height of the pole is H, your height is h, and the distance between you and the light pole is /.

I need help with this before tomorrow’s exam if I can get all needed calculations please

Kerosene has an API gravity of 42.5. What is the specific gravity of kerosene at 16°C? How does this compare with the value in Table 2.7? What is the energy density (MJ/L) of kerosene at 16°C? Use the data given in Table 2.7.

Directions Part 1: Due Thursday at 9pm. Answer the questions below. Dark energy density parameter ₁ 2.5 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 Gray area: No Big Bang (density of matter could never have been infinite) 0.0 K Expansion is speeding up Expansion is slowing down This model, for which m=1.00, and A=0.00, has been ruled out by observations. Universe expands forever Universe recollapses M Universe is closed Universe is open 0.5 1.0 1.5 2.0 Matter density parameter m 2.5 a. Which areas (H, I, J, K, L, or M) are the accelerating universes? (As opposed to the expansion staying steady or decelerating.) b. Which area (H, I, J, K, L, or M) represents a flat universe with a matter density parameter of 1.0? c. Which area (H, I, J, K, L, or M) represents a universe containing 76% Dark Energy? d. Which area (H, I, J, K, L, or M) represents the universe that Supernova Type la, galaxy cluster, and CMB data results indicate we are in? e. Which area (H, I, J, K, L, or M) represents the universe that…

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Engineering Drawing TS: True Size EV: Edge ViewTrue or False 1. It is possible that a plane will appear in TS in two consecutive reference planes.  2. It is possible that a plane will appear in EV in two consecutive reference planes.  3. Is it possible to show two planes in TS in a single reference plane. 4.

EXERCISE 15 DATE: 139 GIVEN THE ORTHOGRAPHIC VIEWS, CREATE AN ISOMETRIC SKETCH OF THE FOLLOWING OBJECT. VISUALIZATION 6 ENGINEERING DESIGN GRAPHICS WITH AUGMENTED REALITY

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12. Depicted below is the side-view sketch of a breakfast barishelf that I built several years ago. The bar was 5-foot long and 24 inches wide. It was supported by a single strut (member) that was anchored to the wall at a distance of 30 inches below the shelf (shown a location C on the sketch). The strut was connected to the shelf at a location B which was 18 inches away from the wall. Of course, the bar top itself was also anchored to the wall at location A. All connections at locations A, B, and C are being modelled as frictionless pins in the sketch. Compute the X direction force at location A if I loaded 100 pounds of Groceries (G) on the shelf and the Center of the Gravity of the Groceries was located 4 inches inward of the right- hand edge of the bar. Ignore the thickness of the shelf and the strut. This is a Frame question because the shelf is a three-force member. Ax = wall 244 4=100 Pounels Shelf 3.

Due: Wed, 25-Sep-2024, 4pm PM Assignment 20/0 اساس 22.0 KIS AB Q1. Draw an isometric projection of the building below, with point A as the bottom corner in your answer. Three orthographic views of a Student Union (SU) Church are shown below in third angle projection. The sketches are not to scale. Use a scale of 1 cm = 1 m (or 1:100). The church has a centred double door with total width of 3m as shown. Above the door is a 2.5m diameter round window, aligned with the roof apex and centred 5m above the floor. The church has a 3m diameter semi-circular window in the corner as shown. The window is 1.5m above the floor. Roof lights (roof windows) are used to get natural light into the building. [30 Marks] 2 x 1m wide roof windows strips run across the roof as shown. Round window 02.5m centred 5m above floor 3m 12m Front View 15m 3m O.T. Masoso 7211 3467 masoso@ub.ac.bw 10m Top of Right View Right View 10m Page 1 of 1 GAMES + TIME O n

Draw only full section front view of the given object

I need help answering these 3 questions ASAP!!! Due date is 11:59  Thank youuuuu