Chapter 4, Problem 30QAP

A passive solar house was determined to lose heat to the outdoors at an average rate of 50,000 kJ/h during a typical 10-hour winter night. The house is to be maintained at 22°C at all times. Passive heating is accomplished by 50 glass containers each containing 20 L of water that is heated to 80°C during the day by absorbing solar energy. A 15-kW back-up electric resistance heater turns on whenever necessary to keep the house at 22°C. (a) How many hours does the electric heating system run during a typical winter night? (b) How many hours would the electric heater run during a typical winter night if the house did not have passive solar heating? For the density and specific heat of water at room temperature, use p = 1 kg/L and cp = 4.18 kJ/kg.°C

A well-insulated rigid tank contains 3 kg of a saturated liquid-vapor mixture of water at 200 kPa. Initially, three-quarters of the mass is in the liquid phase. An electric resistance heater placed in the tank is now turned on and kept on until all the liquid in the tank is vaporized. Determine the entropy change of the water during this process.

Heat in the amount of 100 kJ is transferred directly from a hot reservoir (heat source) at 1200 K to a cold reservoir (heat sink) at 600 K. Calculate the entropy change of the two reservoirs and determine if the second law of thermodynamics is satisfied.

I want a human solution

# 4 F3 Existing Flocculation Basin Design Parameters at 22.5 MGD: A) # of Basins: 5 B) # of Stages per Basin: 2 c) Basin Dimensions: (30 ft. X 4 ft. X 15 ft.) D) Volume per Basin 10,800 cf (80,787 Gal) E) Total Flocculation Volume: 54,000 cf (406,920 Gal) F) Theoretical Unit Detention Time: 25.9 minutes G) Flow through Velocity (Q): 1.16 ft/min Deliverables: 1) Determine if the existing flocculation basins are sufficient to accommodate the projected future capacity. A) Current Capacity: 22.5 MGD B) Future Capacity: 34.5 MGD for 110,000 residents C) If not, determine the number of additional flocculation basins needed to accommodate the future capacity of 34.5 MGD. a) Ignore this bullet point 2) Specify the basic dimensions (length, width, water height, weir dimensions, etc.) of these additional flocculation basins. 3) Specify the design flow rate, detention time, and the flow-through velocity for each basin under the maximum future capacity of 34.5 MGD, assuming one of the basins is…

5. State transition matrix: (t), which is defined as, Calculate analytically the state transition matrix (t) = et = L¯¹{(sI – A)¯¹} Show that the answer is the following, 1 e-4t cos(√2t) - e-4 sin(√2 t) 1 e -4t √2 (t) = et -3 1 -4t sin (√2 t) e COS -4t cos (√2t) + - e sin(√2 t) 2-4t sin(√2 t)| Calculate the following: (SI - A)-1= Use the completion - in - the-square technique (CASE 3) to calculate the inverse Laplace: L¯¹{(SI - A)¯¹} =

1.a) Consider the problem of finding a path in the grid shown below from the position S to the position G. The agent can move on the grid horizontally and vertically, one square at a time (each step has a cost of one). No step may be made into a forbidden crossed area. In the case of ties, break it using up, left, right, and down. i) Draw the search tree in a greedy search. Manhattan distance should be used as the heuristic function. That is, h(n) for any node n is the Manhattan distance from n to G. The Manhattan distance between two points is the distance in the x-direction plus the distance in the y-direction. It corresponds to the distance traveled along city streets arranged in a grid. For example, the Manhattan distance between G and S is 4. What is the path that is found by the greedy search? ii) Draw the search tree in an A* search. Manhattan distance should be used as the 1 heuristic function. What is the path that is found by the A* search? G S b) Consider the following game…

A single-core cable working on 66 kV has a conductor diameter of 2 cm and the sheath of inside diameter is 10 cm. If two metallic intersheaths of diameters 5 cm, 8 cm respectively are used for grading the cable.. If the maximum electric stress is the same for each layers. 1- Find the voltage of each metallic intersheaths. 2- Find the thickness of each layers.

I want to ask someone who has experiences in writing physics based simulation software. For context I am building a game engine, and want to implement physics simulation. There are a few approaches that I managed to find, but would like to know what are other approaches to doing physics simulation entry points from scenes, would you be able to visually draw me a few approaches (like 3 approaces)?When I say entry point to the actual physics simulation. An example of this is when the user presses the play button in the editor, it starts and initiates the physics system. Applying all of the global physics settings parameters that gets applied to that scene.Here is the use-case, I am looking for. If you have two scenes, and select scene 1. You press the play button. The physics simulation starts. When that physics simulation starts, you are also having to update the physics through some physics dedicated delta time because physics needs to happen faster update frequency.To elaborate, what…