Using MATLAB, let A=[3 1; 2 2], B=[1 0; 2 1]
a. Find the transpose of both matrix A and B
b. Find the Inverse of matrix A
c. Replace the first row matrix A with [1 0]
d. Calculate
Answers
a. The transpose of matrix A is found using the following
command: A = [3 1; 2 2];Atranspose = A.';
The transpose of matrix B is found using
the following command: B = [1 0; 2 1];Btranspose = B.';
b. To find the inverse of matrix A,
use the following command: A = [3 1; 2 2];
Ainverse = inv(A);c. To replace the first row of matrix A with [1 0],
use the following command: A = [3 1; 2 2];A(1,:) = [1 0];d.
To know more about matrix visit:
https://brainly.com/question/28180105
#SPJ11
Related Questions
A 75-kg piano is hosted on a crane and delivered throughout the window of a 6th story apartment (20 meters above ground). What is the potential energy of the piano?
Answers
Answer:
14,700 J
Explanation:
PE = Mgh = (75 kg)(9.8 m/s²)(20 m) = 14,700 J
An undeformed specimen of some alloy has an average grain diameter of 0.040 mm. You are asked to reduce its average grain diameter to 0.010 mm. Is this possible
Answers
Answer:
Yes it is possible. Grain size is often determined by the rate so Firstly reduce the average grain diameter of an undeformed alloy specimen form 0.040 mm to 0.10mm
The denity of a certain type of jet fuel i 775 kg/m3. Determine it pecific gravity and pecific weight
Answers
The correct answer is Specific weight: w = [weight ÷ volume] = [9N ÷ 0.001m³] = 9000N/m³Density: w = [ × g] Where, g = acceleration due to gravity = 9.81m/sec². Specific gravity: G = [density of liquid ÷ density of water] As you know, The density of water = 1000kg/m³.
The density of a substance is divided by the density of water at 4 degrees Celsius to determine its specific gravity. The density of the substance and the density of the water must be represented in the same units for the calculation.distinguishes While specific weight has dimensions, specific gravity is a dimensionless number. The gravitational field has no effect on a material's specific gravity, but it does have an effect on a material's specific weight. A substance's "Specific Gravity" is determined by dividing its mass by the mass of an equivalent volume of water at the same pressure and temperature.
To learn more about pecific gravity click the link below:
brainly.com/question/29496256
#SPJ4
how should water be added to a concrete mix
Answers
When adding water to a concrete mix, it is important to follow the manufacturer's instructions and use the right amount of water. Too little water can result in a dry, crumbly mix that is difficult to work with, while too much water can weaken the concrete and reduce its strength.
To add water to a concrete mix, follow these steps:
Begin by measuring out the amount of dry concrete mix that you need.Place the dry mix in a clean, dry mixing container, such as a wheelbarrow or cement mixer.Slowly add water to the dry mix, using a hose or watering can.Mix the water and dry mix together until the water is evenly distributed and the concrete reaches a uniform, smooth consistency.Continue to add small amounts of water as needed until the concrete reaches the desired consistency.Once you have added the desired amount of water, continue to mix the concrete for an additional 2-3 minutes to ensure that the water is evenly distributed and the concrete is properly mixed.It is important to note that the exact amount of water needed will vary depending on the type of concrete mix you are using, as well as the weather conditions and the intended use of the concrete. Therefore, it is important to follow the manufacturer's instructions and use the recommended amount of water.
How do birds achieve take-off, gliding, dive, etc.? How do they modify their body shape?
Answers
Any one know the answer?
Answers
Answer:
151.2 N
Explanation:
The upward force at A is 135/(135+325) times the total weight of the generator. The CW torque about point O that produces is ...
(460 mm)(135/460)(160 kg)(9.8 m/s^2) = 211.68 N·m
For F to produce half that torque, it must be ...
F(0.7 m) = (211.68 N·m)/2
F = 211.68 N·m/(1.4 m) = 151.2 N
Can we live without software?
Answers
No, because you are using it right now.
Yes, because software is not the most improtant thing in our life.
3.b. (35 points). you designed silicon atoms for implantation into a gallium arsenide (gaas) device at a concentration of 1016 cm-3 . the silicon atoms are fully ionized at 300k, with 5% of the silicon atoms replacing gallium (ga) and 95% replacing arsenide (as). consider an operating temperature of 300k. a. (11 points) determine the donor and acceptor concentrations. is your designed device n- or p-type? b. (12 points) calculate the electron and hole concentrations. c. (12 points) calculate the position of the fermi level with respect to the intrinsic fermi level
Answers
a. the acceptor concentration is greater than the donor concentration, the designed device is p-type. b. The hole concentration is given by p = ni^2 / ND = (2.5 × 10^13 cm^-3)^2 / 0.5 × 10^15 cm^-3 = 1.25 × 10^10 cm^-3.
a. The donor concentration of silicon atoms that replaced gallium is given by ND = 0.05 × 10^16 cm^-3 = 0.5 × 10^15 cm^-3. The acceptor concentration of silicon atoms that replaced arsenic is given by NA = 0.95 × 10^16 cm^-3 = 9.5 × 10^15 cm^-3. Since the acceptor concentration is greater than the donor concentration, the designed device is p-type.
b. At 300 K, the electron concentration is given by n = ni^2 / NA = (2.5 × 10^13 cm^-3)^2 / 9.5 × 10^15 cm^-3 = 6.58 × 10^6 cm^-3. The hole concentration is given by p = ni^2 / ND = (2.5 × 10^13 cm^-3)^2 / 0.5 × 10^15 cm^-3 = 1.25 × 10^10 cm^-3.
c. The position of the Fermi level with respect to the intrinsic Fermi level can be calculated using the relation E_F - E_i = k_B * T * ln(N_D / n_i), where k_B is the Boltzmann constant and T is the temperature in kelvin. The intrinsic Fermi level is located at the middle of the bandgap, which is given by E_i = (E_C + E_V) / 2 = 1.45 eV. The intrinsic carrier concentration at 300 K is given by n_i = 2.5 × 10^13 cm^-3. Substituting the values, we get E_F - 1.45 = 8.62 × 10^-5 * 300 * ln(0.5 × 10^16 / 2.5 × 10^13), which gives E_F = 0.374 eV. Therefore, the Fermi level is located 0.374 eV above the intrinsic Fermi level.
Learn more about acceptor here
https://brainly.com/question/15053224
#SPJ11
Where do greywater pipes generally feed into?
-Vent stack
-Water heater
-Waste stack
-Main supply
Answers
Answer:
c Waste stack
Explanation:
companies that use renewable resources, reduce emissions of harmful chemicals into the environment, and help other firms reduce their waste have taken advantage of ______ _____________.
Answers
Companies that use renewable resources, reduce emissions of harmful chemicals into the environment, and help other firms reduce their waste have taken advantage of sustainable practices or sustainable initiatives.
Yes, companies that use renewable resources, reduce emissions of harmful chemicals into the environment, and help other firms reduce their waste are engaging in environmentally-friendly practices. the negative impact of business operations on the environment.
Using renewable energy sources such as solar, wind, or hydroelectric power Implementing energy-efficient measures to reduce energy consumption Recycling and properly disposing of waste materials to minimize landfill waste Using eco-friendly materials and products that have a lower environmental footprint.
To know more about environmentally-friendly:- https://brainly.com/question/1229721
#SPJ11
4.
Describe the correct use of any equipment used to protect the health and safety of themselves and
their colleagues
Answers
Items such as gloves, safety goggles, shoes, earplugs, respirators, hard hats, coveralls, vests, and full body suits are examples of personal protection equipment.
What equipment is used for safety and protection?Wearing a safety helmet when using a power tool, donning the proper protective clothing when working with chemicals, and taking all necessary safety precautions when operating machinery are all examples of how to use equipment correctly to safeguard their own health and the health and safety of their coworkers.
Healthcare Facilities Using PPE Gloves shield the hands; gowns or aprons shield the skin or clothing; masks and respirators shield the mouth and nose; goggles shield the eyes; and face shields shield the full face. consisting of goggles, gloves, gowns, shoe covers, head coverings, masks, and respiratory equipment.
PPE, or personal protective equipment, is gear that shields users from harm to their health or the danger of accidents. It may consist of equipment like safety harnesses, gloves, eye protection, high-visibility clothes, safety footwear, and respiratory protective equipment (RPE).
To learn more about health equipment refer to :
https://brainly.com/question/28489100
#SPJ1
the lift experienced by a helicopter involves an action-reaction pair of forces between the
Answers
The lift experienced by a helicopter involves an action-reaction pair of forces between the rotor blades and the air.
As the rotor blades rotate, they push air downwards, creating a force known as thrust. According to Newton's third law of motion, for every action, there is an equal and opposite reaction. In this case, the action is the thrust force created by the rotor blades pushing air downwards, and the reaction is the lift force that is generated as a result. This lift force is what allows the helicopter to rise into the air and stay airborne. Therefore, the lift experienced by a helicopter is a result of the action-reaction pair of forces between the rotor blades and the air.
To know more about thrust in a numerical, visit the link : https://brainly.com/question/28807314
#SPJ11
To divide the value of the seventh element of array a by 2 and assign the result to the variable x, we would write ________.a) x / 2 = a( 7 )b) x = a[ 7 ] / 2c) x = a[ 6 ] / 2d) x = a( 6 / 2 )
Answers
To divide the value of the seventh element of array a by 2 and assign the result to variable x , write x = a[ 6 ] / 2 .
What are variable numbers?A quantity that can take any value from a range of values is called a variable. A letter or symbol that represents a specific known or unknown number is called a constant.
There are following types of variables: independent variable. dependent variable. quantitative variable. qualitative variables. Intermediate variable. Moderation variable. External variable. confusing variables.
What is a sample variableExamples of variables include age, gender, business income and expenses, country of birth, capital expenditure, class, eye color, and vehicle type. It is called a variable because it can have different values between data units in a population and change over time.
To learn more about variables visit:
https://brainly.com/question/17344045
#SPJ4
This agency develops standards for pressure vessels and pressure relief valves, as well as the design, welding, and materials that may be used in pipeline construction.
Select one:
a. American Petroleum Institute
b. American Society of Mechanical Engineers
c. American Gas Association
d. National Fire Protection Association
Answers
Answer:
b. American Society of Mechanical Engineers
Explanation:
The "American Society of Mechanical Engineers" (ASME) is an organization that ensures the development of engineering fields. It is an accreditation organization that ensures parties will comply to the ASME Boiler and Pressure Vessel Code or BPVC.
The BPVC is a standard being followed by ASME in order to regulate the different pressure vessels and valves. Such standard prevents boiler explosion incidents.
John Smith, the chief engineer at Sunrise Hotel, is concerned with the air duct system passages that are clogged and need cleaning and do not allow the efficient passage of air to the guestrooms. This concern is related to
Select one:
a. solar load
b. infiltration load
c. unbearable load
d. ventilation load
Answers
John Smith, the chief engineer at Sunrise Hotel, is concerned with the air duct system passages that are clogged and need cleaning and do not allow the efficient passage of air to the guestrooms. This concern is related to the ventilation load.
What is ventilation load? Ventilation load refers to the amount of heat generated by a building's air-conditioning system or a building's occupants that is required to be removed by the ventilation system to maintain a comfortable indoor environment. It is a significant parameter that engineers use while designing a building's HVAC system. Heat gain, heat loss, moisture, and contaminants are all factors that can influence the ventilation load on a building. The ventilation system's primary function is to provide fresh air while removing stale air and pollutants. It is essential to provide a comfortable indoor environment while reducing energy consumption. Hence, the answer to the given question is ventilation load.
Ventilation load refers to the amount of heat, moisture, and contaminants that need to be removed or supplied by a ventilation system to maintain a comfortable and healthy indoor environment. In this case, the clogged air ducts are obstructing the flow of air, which hinders the ventilation process and prevents the efficient delivery of fresh air to the guestrooms. An efficient passage means that air can freely move through the ducts without any significant hindrances or blockages. Therefore, the concern raised by John Smith, the chief engineer at Sunrise Hotel, is specifically related to the ventilation load.
Learn more about ventilation at:
brainly.com/question/1121893
#SPJ11
3. A wind turbine having a rotor diameter of 48 m and rated at 800 kW, is operating at a wind speed of 12 m/s. Three blades mounted on a cast iron hub drive a generator through a three-stage gear box of overall ratio 1:50. The induction generator is connected directly to the 50 Hz network and keeps the high-speed shaft at 1500 rpm. Calculate the power coefficient (Cp), the rotor tip speed of the blade and the tip speed ratio ().
Answers
The rotor tip speed of the blade is 75.4 m/s, the tip speed ratio is 2.00, and the power coefficient (Cp) is 0.35.
Rotor Tip Speed of the Blade:
The rotor tip speed of the blade is calculated to be 75.4 m/s.
Tip Speed Ratio:
The tip speed ratio is determined to be 2.00. The tip speed ratio represents the ratio of the blade tip speed to the wind speed at a specific rotor radius.
Power Coefficient (Cp):
The power coefficient (Cp) is a measure of the efficiency of a wind turbine in converting wind power into electrical power. It is calculated by dividing the electrical power output by the available wind power.
In the given scenario, the power coefficient (Cp) is found to be 0.35.
The calculations and formulas used for determining the rotor tip speed, tip speed ratio, and power coefficient are as follows:
Rotor Tip Speed of the Blade:
The rotor tip speed of the blade is calculated using the formula:
Vb = (2 × π × r × N) / 60
where Vb represents the blade tip speed, r is the radius of the rotor, and N is the rotational speed of the low-speed shaft.
In this case, the rotor diameter is given as 48 m, resulting in a radius (r) of 24 m. The rotational speed (N) of the low-speed shaft is calculated to be 30 rpm. Plugging these values into the formula yields a rotor tip speed (Vb) of 75.4 m/s.
Tip Speed Ratio:
The tip speed ratio (λ) is calculated by dividing the blade tip speed (Vb) by the tip speed (Vt). The tip speed is determined using the formula:
Vt = π × D × n / 60
where D is the rotor diameter and n is the wind speed.
In this case, the wind speed is given as 12 m/s, resulting in a tip speed (Vt) of 37.68 m/s. By dividing the blade tip speed (Vb) of 75.4 m/s by the tip speed (Vt), the tip speed ratio (λ) is found to be 2.00.
Power Coefficient (Cp):
The power coefficient (Cp) is calculated using the formula:
Cp = P / (0.5 × ρ × A × V^3)
where P represents the power generated, ρ is the density of air, A is the area swept by the blades, and V is the wind velocity.
In this case, the power generated is given as 800,000 W, the air density (ρ) is 1.23 kg/m^3, the swept area (A) is calculated to be 1809.56 m^2, and the wind velocity (V) is 12 m/s. Plugging these values into the formula yields a power coefficient (Cp) of 0.35.
Therefore, the rotor tip speed of the blade is 75.4 m/s, the tip speed ratio is 2.00, and the power coefficient (Cp) is 0.35.
Learn more about power coefficient:
brainly.com/question/28970020
#SPJ11
After a car is jump started, you should allow the car to run without
stopping for
A. at maximum 5 minutes
B. at minimum 1-2 hours
C.at maximum 10-20 minutes
D. at minimum 10-20 minutes
Answers
Answer:
The correct option is D
D) At minimum 10-20 minutes
Explanation:
After the car is jump started, the car should be allowed to run atleast for 10-20 minutes, this will help charge the battery of the car. If you don't do it and shut down the car immediately, the battery won't get charged and you will need another jump start. Apart from, parts of the car which are running from the battery e.g headlights, music player etc, should be turned off so it doesn't drain away the battery which is being charged.
Answer:
D. at minimum 10-20 minutes
Explanation: I got it right on FLVS
A substance is malleable, conducts heat, and is used in wiring. How would we classify this substance?.
Answers
A substance that is malleable, conducts heat, and is used in wiring would be classified as a metal.
The properties of a substance.In Science, some examples of the mechanical and physical properties of substances used in the construction of buildings include the following:
DensityConductivityResistivityElasticity/stiffnessCorrosionDuctility/malleabilityFractureWhat is conduction?Conduction can be defined as a process which involves the transfer of electric charge or thermal energy due to the movement of particles. Thus, when the conduction relates to electric charge, it is referred to as electrical conduction while when it relates to thermal energy, it is known as heat conduction.
In conclusion, we can infer and logically deduce that a substance that is malleable, conducts heat, and is used in wiring would be classified as a metal.
Read more on heat conduction here: https://brainly.com/question/12072129
#SPJ1
The main target of the diplexer is to enable the antenna to work at different frequencies. *
True
False
Answers
True is the answer.....
rank the following gases in order of decreasing rate of effusion. rank from the highest to lowest effusion rate. to rank items as equivalent, overlap them.
Answers
It means that the gas with the lowest molecular weight will have the highest effusion rate.
What has the highest rate of effusion?The given gases' effusion rates are listed in order from highest to lowest. The effusion rate of a hydrogen molecule is the highest, whereas that of a hydrocarbon is the lowest.
A gas will effuse faster when it is lighter and more slowly when it is heavier. Helium (He) will have the highest rate of effusion since it has the lowest molecular weight (atomic weight, in this example).
The following equation can be used to compare the rate of effusion for two gases: The effusion rates in this case are inversely related to the square root of the gas molecules' masses. A container contains an amalgam of neon and argon gas.
To learn more about rate of effusion is refer to:
https://brainly.com/question/28747259
#SPJ4
the voltage valve at which a zirconia O2S switches from rich to lean and lean to rich is
A) 0.5v (500mv)
B) 0.45v (450mv)
C) 0.25v (250mv)
D) 0.90v (900)
Answers
source of energy in wind power
Answers
The energy in which wind is used to generate electricity is known as wind energy. Wind turbines convert the kinetic energy in the wind into mechanical power. This mechanical power is then used for various purposes. Wind energy is a free and renewable resource. It is a clean and non-polluting source of energy.
At steady state, air at 200 kPa, 325 K, and mass flow rate
of 0.5 kg/s enters an insulated duct having differing inlet
and exit cross-sectional areas. The inlet cross-sectional area is
6 cm26cm
2. At the duct exit, the pressure of the air is 100 kPa and the velocity is 250 m/s. Neglecting potential energy
effects and modeling air as an ideal gas with constant cp=1.008 kJ/kg⋅Kc
p =1.008kJ/kg⋅K, determine
(a) the velocity of the air at the inlet, in m/s.
(b) the temperature of the air at the exit, in K.
(c) the exit cross-sectional area, in cm2
(a) the velocity of the air at the inlet, in m/s.
(b) the temperature of the air at the exit, in K.
(c) the exit cross-sectional area, in cm
Answers
A letra
A.
Thank
When a licensed engineer or land surveyor testifies as an expert in an iowa court, the licensee's testimony cannot be challenged by the opposing attorney
Answers
In Iowa courts, the testimony of a licensed engineer or land surveyor, when presented as an expert witness, can be challenged by the opposing attorney.
The opposing attorney has the right to cross-examine the expert witness and challenge their testimony through questioning and presenting counterarguments or conflicting evidence. This is a fundamental aspect of the legal process that allows for the exploration of different perspectives and the evaluation of the credibility and accuracy of expert testimony. By challenging the testimony, the opposing attorney aims to test the expert's qualifications, methods, reasoning, and conclusions to present a comprehensive and well-rounded view to the court. It is through the adversarial process that the court can weigh the evidence and make an informed decision. Therefore, in Iowa courts, the testimony of a licensed engineer or land surveyor, like any other expert witness, can be subject to challenge by the opposing attorney.
Learn more about engineer here
https://brainly.com/question/28717367
#SPJ11
a heat engine would have 100% efficiency if its low-temperature reservoir were ____
Answers
A heat engine would have 100% efficiency if its low-temperature reservoir were at absolute zero. This is known as the Carnot efficiency limit and is a theoretical maximum for the efficiency of a heat engine.
A heat engine is a device that converts thermal energy into mechanical energy. It operates by using a temperature difference between a hot reservoir and a cold reservoir to do work. The efficiency of a heat engine is defined as the ratio of the work output to the heat input, and it is always less than 100% due to losses in the system.
The Carnot efficiency limit is a theoretical maximum for the efficiency of a heat engine. It is based on the idea of a reversible engine that operates in a cycle between two heat reservoirs, with no heat loss to the surroundings. The efficiency of a Carnot engine depends only on the temperatures of the two reservoirs and is given by the formula:
efficiency = 1 - (T low / T high)
where T low is the temperature of the low-temperature reservoir, and T T T high is the temperature of the high-temperature reservoir.
If the low-temperature reservoir were at absolute zero (0 Kelvin or -273.15 Celsius), the efficiency of the Carnot engine would be 100%, which is the theoretical maximum for any heat engine. However, achieving absolute zero is impossible in practice, so real-world heat engines will always have less than 100% efficiency.
Learn more about efficiency here: brainly.com/question/32138845
#SPJ11
Find the shortest distance from Starting vertex (A) to F on the network below
Answers
In order to achieve the shortest distance from starting vertex (A) to F on a network, utilize Dijkstra's algorithm following these steps:
What are the steps?Initiate every vertex with a tentative distance value: assign zero to the starting point and infinity to other vertices.
Establish the initiating vertex as the current vertex.
Analyze all neighboring vertices of the current vertex and determine their respective tentative path length via current vertex. Proceed to compare it with its already assigned value; upgrade such distance if shorter than before.
Subsequent to analyzing adjacent points of the present node, designate it as 'visited'. Futuristic reference will disregard this chosen and visited vertex altogether.
Examine unexplored vertices marked as having the most reduced tentative distances, declare them 'current' while formulating new calculations for other contenders until pertinent conclusion is reached.
Learn more about vertex on
https://brainly.com/question/21191648
#SPJ1
The * key is used for ____.
Answers
Which of the following is not a step in a building’s life cycle?
evaluation
maintenance
demolition
resource extraction
Answers
Answer:
resource extraction
Explanation:
common sense
What is the advantage of having the engine in the front of the car?
Answers
For starters, most vehicles are front-wheel drive (FWD), so it makes sense to have the engine over the wheels that need traction. This makes the vehicle much more stable, and also helps maintain a relatively balanced weight distribution when accelerating.
The use of a front motor offers two main advantages: better engine cooling and more uniform weight distribution.
What are the advantage of having an engine in the front of the car?
In this problem we have the case of a car, whose motor is in the front of the car. Now we proceed to summarize advantages of a front motor:
Engine cooling - Better cooling of the engine, especially in critical parts such as radiators. Less risk of overheating.Weight distribution - Offers a more uniform mass distribution in the vehicle, critical when car accelerates.To learn more more on cars: https://brainly.com/question/33357158
#SPJ2
What is the purpose of making internal resistance of milli-ammeter very low?A) High accuracy.B) Minimum voltage drop across meter.C) Maximum voltage drop across meter.D) High sensitivity.
Answers
Answer:
B) Minimum voltage drop across meter
Explanation:
An ammeter is a measuring instrument device that is used to measure small currents flowing through a circuit in milli-ampere. The internal resistance of the milli ammeter is very low so that there would be a minimum voltage drop across the meter causing a minimum effect of the current in the circuit, this results to a measurement closer to the original value. If a high resistance is place, there would be large voltage drop therefore the current measured would be lesser than the original value.