LSN Log Record 00 begin_checkpoint 05 end_checkpoint 10 Update: T2 writes P3 20 Update: T1 writes P1 30 T2 abort 40 Update: T3 writes P1 50 Update: T3 writes P2 60 T3 commit 70 Update: T1 writes P4 80 CLR: Undo T2 LSN 10 90 Update: T4 writes P3 100 T3 end 110 T4 abort X - crash, restart For the questions below, when you are asked which log records are read, you are to supply the exact list of LSNs from log above. When data pages are asked for, you are to supply the exact list of page identifiers from the log above. And so on. Be specific and concrete in your answers, answering specifically for the provided log. Operations can be identified using the LSN for the log record recording that operation. (So, of course, can the log record itself.) 4. During Redo: O a) What log records are read? o b) What data pages are read? o c) What operations are redone? (Assume no updates made it out to stable storage, like a hard disk, before the crash, except updates written to stable storage as part of a transaction commit.)

Answer:

forced convection

Explanation:

When a fan, pump or suction device is used to facilitate convection, the result is forced convection. Everyday examples of this can be seen with air conditioning, central heating, a car radiator using fluid, or a convection oven.

Answer:

mark me as a brainleast

Explanation:

209781

All of the following are sections of the income statement except E. liabilities is not a section of the income statement.

The income statement, also known as the profit and loss statement, presents the financial performance of a company over a specific period. It provides information on revenues, expenses, gains, and losses, ultimately determining the net income or loss of the business. The sections of an income statement typically include revenues, net income or loss, operating expenses, and cost of goods sold.

Liabilities, on the other hand, are not directly related to the income statement. Liabilities are recorded on the balance sheet and represent the company's obligations or debts to external parties. They reflect the financial claims that others have on the company's resources or assets. Examples of liabilities include accounts payable, loans, accrued expenses, and deferred revenue.

While the income statement provides insights into the revenues, expenses, and profitability of a business, it does not include information about liabilities. The income statement focuses on the operating performance and financial results of the company during a specific period, whereas the balance sheet presents a snapshot of the company's financial position at a given point in time, including its assets, liabilities, and shareholders' equity.

Therefore, liabilities do not appear as a section on the income statement but are instead reported on the balance sheet.

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Answer:

hello your question is poorly written hence I will give you a general answer

answer :

Hence the opening price =  140 - ( 14 * 3 )

                                           =  140 - 42 = 98.00

Explanation:

To determine the opening price we will subtract or add the percentage Increase or decrease of the Dow Jones from the Final price of the Dow Jones

Lets assume :

Dow Jones Increased by 30 %

Dow Jones final price = 140

Hence the opening price =  140 - ( 14 * 3 )

                                           =  140 - 42 = 98.00

A system will never enter a deadlocked state if the system uses the detection and recovery technique. Thus the correct option is B.

A deadlock in desktop software happens when a procedure or task enters a waiting state as a result of another waiting process holding the requested system resource.

When a group of processes is in a wait state, a deadlock occurs because each process is awaiting a resource that is being held by another waiting process.

The wait-for graph must be maintained by the system in order to detect deadlocks, and the system periodically runs an operation that looks for cycles in the wait-for graph.

There is no method used by the OS to avoid or stop deadlocks. The OS checks the system on a regular basis for any deadlocks in an effort to break them. Therefore, option B is appropriate.

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The random function in python is used in different ways, below is an example with randint, randrange, and choice. Correct answer option 2

import random

if __name__ == '__main__':

a = int()

b = int()

c = int()

print("Random result of a, b, and c (possible: 6, 81, 0)")

b = random.randrange(10,100,3)

c = random.choice((0,100,3))

print(a,",",b,",",c)

Randomly returns an integer between 0 and 100 (both inclusive).

The randrange function is used bacause you like random numbers between 10 and 100 but separated by 3.

The function returns any element among a set defined between the parentheses.

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Besides the display, a significant battery drain for a mobile device can be attributed to the processing power and usage of resource-intensive applications.

The display of a mobile device is indeed a significant contributor to battery consumption due to its size and the power required to illuminate it. However, the processing power required to run various applications and tasks also has a considerable impact on battery life. Resource-intensive apps such as gaming, video editing, or augmented reality applications can put a strain on the device's processor, causing it to consume more power. Additionally, background processes, multitasking, and network activities like streaming or downloading large files can further drain the battery. Optimizing app usage, closing unnecessary background processes, and managing network connectivity can help mitigate the battery drain caused by these factors.

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$255 per hour

Total number of employed people = 16

(i) 5 people earn $15 per hour

That means that the total amount earned by those 5 is;

5 x $15 = $75 per hour

(ii) 4 people earn $17 per hour

That means that the total amount earned by those 4 is;

4 x $17 = $68 per hour

(iii) The remaining people earn $16 per hour.

There are 7 people remaining. i.e

16 - 5 - 4 = 7

That means that the total amount earned by those remaining (7) is;

7 x $16 = $112 per hour

The total hourly wage is therefore the sum of all the results in i, ii and iii. i.e

Total = $75 + $68 + $112

Total = $255

Therefore, the total hourly wage earned by all 16 people is $255

First, because a current greater than its capacity is being flowed through, the fuse burns out repeatedly. Now,. I and R have an inverse relationship (current).  The fuse wire's length and current rating are independent. Fuse wire is capable of carrying electricity over any distance, but thickness—which regulates melting—is crucial.

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The Chocolate Hills are a geological structure in the Philippines' Bohol province (Mga Bungtod sa Tsokolate in Cebuano, Mga Tsokolateng Burol in Tagalog). There are at least 1,260 hills, but there could be as many as 1,776 hills located throughout a region of more than 50 square kilometres (20 sq mi).

In Bohol, there are numerous villages where the Chocolate Hills may be found, including Bilar, Carmen, Butuan, and others. The viewing platform that tourists most frequently use to view these mounds is called the Chocolate Hills Complex, and it's situated in Carmen.

The inscription on the bronze plaque reads: "The distinctive terrain structure known as the Chocolate Hills of Bohol was produced centuries ago by the elevation of coral deposits and the activity of tectonic forces."

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Answer:

\(-6111.11\ \text{kJ}\)

\(863.28\ \text{kJ}\)

Explanation:

m = Mass of automobile = 1100 kg

v = Velocity of car = 120 km/h = \(\dfrac{120}{3.6}\ \text{m/s}\)

h = Height of hill = 80 m

g = Acceleration due to gravity = \(9.81\ \text{m/s}^2\)

Change in kinetic energy

\(KE=\dfrac{1}{2}m(u^2-v^2)\\\Rightarrow KE=\dfrac{1}{2}\times 1100\times (0-(\dfrac{120}{3.6})^2)\\\Rightarrow KE=-611111.11\ \text{J}\)

Change in kinetic energy is \(-6111.11\ \text{kJ}\)

Change in potential energy is given by

\(PE=mgh\\\Rightarrow PE=1100\times 9.81\times 80\\\Rightarrow PE=863280\ \text{J}\)

The change in potential energy is \(863.28\ \text{kJ}\).

Answer:

The velocity at section is approximately 42.2 m/s

Explanation:

For the water flowing through the pipe, we have;

The pressure at section (1), P₁ = 300 kPa

The pressure at section (2), P₂ = 100 kPa

The diameter at section (1), D₁ = 0.1 m

The height of section (1) above section (2), D₂ = 50 m

The velocity at section (1), v₁ = 20 m/s

Let 'v₂' represent the velocity at section (2)

According to Bernoulli's equation, we have;

\(z_1 + \dfrac{P_1}{\rho \cdot g} + \dfrac{v^2_1}{2 \cdot g} = z_2 + \dfrac{P_2}{\rho \cdot g} + \dfrac{v^2_2}{2 \cdot g}\)

Where;

ρ = The density of water = 997 kg/m³

g = The acceleration due to gravity = 9.8 m/s²

z₁ = 50 m

z₂ = The reference = 0 m

By plugging in the values, we have;

\(50 \, m + \dfrac{300 \ kPa}{997 \, kg/m^3 \times 9.8 \, m/s^2} + \dfrac{(20 \, m/s)^2}{2 \times 9.8 \, m/s^2} = \dfrac{100 \ kPa}{997 \, kg/m^3 \times 9.8 \, m/s^2} + \dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)50 m + 30.704358 m + 20.4081633 m = 10.234786 m + \(\dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)

50 m + 30.704358 m + 20.4081633 m - 10.234786 m = \(\dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)

90.8777353 m = \(\dfrac{v_2^2}{2 \times 9.8 \, m/s^2}\)

v₂² = 2 × 9.8 m/s² × 90.8777353 m

v₂² = 1,781.20361 m²/s²

v₂ = √(1,781.20361 m²/s²) ≈ 42.204308 m/s

The velocity at section (2), v₂ ≈ 42.2 m/s

Answer:

A) About \(9.273 \times 10^{-9}\) newtons

B) 76.518 newtons

C) 111.834 newtons

Explanation:

A) \(F_g=\dfrac{GM_1M_2}{r^2}\) , where G is the universal gravitational constant, M 1 and 2 are the masses of both objects in kilograms, and r is the radius in meters. Plugging in the given numbers, you get:

\(F_g=\dfrac{(6.67408 \times 10^{-11})(7.8)(11.4)}{(0.8)^2}\approx 9.273 \times 10^{-9}\)

B) You can find the weight of each object on Earth because you know the approximate acceleration due to gravity is 9.81m/s^2. Multiplying this by the mass of each object, you get a weight for the first particle of 76.518 newtons.

C) You can do a similar thing to the previous particle and find that its weight is 11.4*9.81=111.834 newtons.

Hope this helps!

Answer:

b in the answer

hope it helps u mark me BRAINLIST

Answer: aerofoil type blades

Explanation: they are more difficult to make but offer better performance and higher rotational speeds making them ideal for electrical energy generation.

The valves used to balance front and rear braking force on a current FMVSS-121 compliant highway tractor are the load sensing valve (LSV) and the proportioning valve (PV).

The load sensing valve (LSV) is responsible for monitoring the load on the tractor and adjusting the rear braking force accordingly. It does this by sensing the weight distribution between the front and rear axles and adjusting the pressure to the rear brakes.

On the other hand, the proportioning valve (PV) helps to balance the braking force between the front and rear wheels. It ensures that the rear brakes do not lock up before the front brakes, especially during heavy braking or on slippery surfaces. The proportioning valve achieves this by limiting the pressure to the rear brakes.

Both the load sensing valve and the proportioning valve play a crucial role in maintaining balanced braking force on a highway tractor. By adjusting the braking force to the appropriate axle and preventing wheel lock-up, these valves enhance the overall safety and control of the vehicle under varying operating conditions.

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This question is incomplete, the missing diagram is uploaded along this answer below.

Answer:

- The mass flow rate of air is 4.59 kg/s

- Area of the exit turbine is 0.066 m²

Explanation:

 Given the data in the question;

Using air as an ideal gas.

Turbine;

state 1: p₁ = 8 bar, T₁ = 960 K

state 2: p₂ = 1 bar, T₂ = 450 K

The inlet velocity is small compared to the exit velocity of 90 m/s

V₁ < V₂ = 90 m/s

Power of turbine W' = 2500 kW

Now, lets assume Q = 0 and ΔPE = 0

we know that; R = 0.2870 kJ/kg-K

Also. \(C_p\) at 700K = 1.075 kJ/kg-K

Now, using ideal gas law;

STATE1

v₁ = RT₁/p₁

so we substitute

v₁ = [(0.2870 kJ/kg-K)(960 K)/(8 bars )]|\(\frac{bar}{10^5N/m^2}\)||\(\frac{1000N.m}{kJ}\)| =  0.344 m³/kg

STATE2

v₂ = RT₂/p₁

we substitute

v₂ = [(0.2870 kJ/kg-K)(450 K)/(1 bars )]|\(\frac{bar}{10^5N/m^2}\)||\(\frac{1000N.m}{kJ}\)| =  1.2915 m³/kg

Now, from energy balance steady state;

0 = Q" - W" + \(m"_i\)( \(h_i\) + \(\frac{V_i^2}{2}\) + \(gz_i\)) - \(m"_B\)( \(h_B\) + \(\frac{V_B^2}{2}\) + \(gz_B\))

since we initially assume Q = 0 and ΔPE = 0

hence;

0 = \(-\frac{W"}{m"}\) + h₁ + \(\frac{V_1^2}{2}\) -  h₂ + \(\frac{V_2^2}{2}\)

\(\frac{W"}{m"}\) = h₁ + \(\frac{V_1^2}{2}\) -  h₂ + \(\frac{V_2^2}{2}\)

⇒  \(\frac{W"}{m"}\) = \(C_p\)(T₁ - T₂) + \(\frac{1}{2}\)( V₁² - V₂²)

we solve for m"

m" = W" / (\(C_p\)(T₁ - T₂) + \(\frac{1}{2}\)( V₁² - V₂²))

so we substitute;

m" = {[2500 kW] / [(1.075kJ/kg-K(960K - 450k) + \(\frac{1}{2}\)( (0)² - (90 m/s)²)) |kJ/1000N.m| |N/kg.m/s²|]} | kJ/s / kW|

m" = 4.59 kg/s

Therefore, the mass flow rate of air is 4.59 kg/s

From the mass body steady state;

0 = m"₁ - m"₂

so

m"₁ = m"₂ = 4.59 kg/s

now, the volumetric flow rate V"₂ will be;

V"₂ = m" × v₂

we  substitute

V"₂ =  4.59 kg/s × 1.2915 m³/kg = 5.93 m³/s

and

the volumetric flow rate V"₂ = A₂V₂

so;

Exit Area A = V"₂ / V₂

we substitute

A = (5.93 m³/s ) / (90 m/s)

A = 0.06589 ≈ 0.066 m²

Therefore, Area of the exit turbine is 0.066 m²

A normally open (NO) start push button (PB1) is connected in parallel with a normally closed (NC) stop push button (PB2).

When PB1 is pressed and PB2 is not pressed, the output coil (O:2/0) of the conveyor 1 motor contactor is energized, starting the conveyor 1.This ladder logic design ensures that the conveyor belts are started in reverse sequence and that each conveyor stops once it reaches full speed. The start push buttons (PB1, PB3) should be pressed sequentially to start the conveyor belts, and the stop push buttons (PB2, PB3, PB4) can be pressed at any time to stop the respective conveyors. The limit switches (LS1, LS2, LS3) are used to detect when each conveyor reaches full speed and initiate the stop sequence.

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Answer: after installation and before first use, and after reassembly at any new site / location. And at suitable intervals to make sure no problems have surfaced.

a.No it will be not an easy matter for Peter to prove that the Er staff caused peter to lose his promotion

Here's why?

1)The boss may think he might not able to stretch himself in emergency situations

2)He can think he can't handle normal pressure

b.What precautions can be taken to avoid giving confidential information to medical personnel who have no need to see it?

1)Peter should not let the medical personnel about his personal life

2)He might have not said extra information about his job promotion

3)Will it be easy matter for Peter to prove that the ER staff caused Peter to lose his promotion? Explain your answer

No, it will not be easy, Peter has to prove in one or in another situation that he can face the difficulties and be able to handle anxiety attacks in the future.

Hence above answers are suitable for the given situation

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Consider cylindrical and spherical shells with inner and outer surfaces at r₁ and r₂ maintained at uniform temperatures T₁ and T₂ respectively. If there is uniform heat generation within the shells, the steady-state, one-dimensional radial distributions of the temperature, heat flux, and heat rate expressions can be obtained.

)Where k is the thermal conductivity of the material, T is the temperature distribution, and r is the radial distance.The heat flux distribution equation for the spherical shell can be expressed as follows:q(r) = -k (d(T)/d(r)) ... (4)Where k is the thermal conductivity of the material, T is the temperature distribution, and r is the radial distance.Heat rate distribution.

The heat rate distribution equation for the cylindrical shell can be expressed as follows:Q(r) = -2πkrL (d(T)/d(r)) ... (5)Where k is the thermal conductivity of the material, T is the temperature distribution, and r is the radial distance.

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Answer:

Technician B is correct

Explanation:

Grounding of component can be done by either connecting its positive  terminal  to a metal frame and then connecting its negative wire to the ground  and not  by mounting it on a major metal part hence Technician B is correct while Technician B is incorrect .

Electrical grounding is an alternate route created to allow excess current entering an equipment to go the ground without destroying the component

Answer:

technician b?

Explanation:

When the two channels are welded to a rolled w section, the radius of gyration will be,

Radius of the gyration on the X-axis will be -

\(K_{X}\) = 4 in

Radius of the gyration on the Y-axis will be -

\(K_{Y}\) = 2.54 in

What is Radius of Gyration?

A body's radius of gyration, or gyradius, is always centered on an axis of rotation. It is defined as the spiral distance to a point with a moment of inertia. A rigid body's radius of gyration is a geometric property. Consider the center of mass. It is analogous to the body's actual mass dissemination. If the entire body's mass is concentrated.

In physics, the radius of gyration refers to the technique for dispersing various segments of the item present around an object in material science. The radius of gyration is the perpendicular distance taken from the rotational axis to an explicit point of mass when viewed in terms of the moment of inactivity.

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Answer:

blah blah blah sh ut up read learn

The maximum height that the water can rise above the jet is: 35 meters.

Given:

P = 350 kPa = 350000 Pa

We would use pressure(p)  formula to determine the maximum height that the water can rises above the jet by solving for h (height).

Using this formula

Pressure(P) = P₀ + ρgh

Where;

P₀ represent Pressure at the fluid's surface

ρ represent Density of the fluid = 1000 kg/m³

g represent acceleration due to gravity = 10 m/s².

h represent height

Solving for h (height)

350000 = 0 + (1000 × 10 ×h)

350000 = 10000h

Divide both side by  10000h

h = 350000/10000

h = 35 meters

Therefore the maximum height that the water can rise above the jet is: 35 meters.

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The H screw on a carburetor is used for adjusting the high-speed fuel-air mixture of the engine. This screw is responsible for controlling the amount of fuel and air that enters the engine when it is running at a high speed.

It is important to set this screw correctly in order to ensure optimal engine performance and prevent damage to the engine. The idle mixture is adjusted using a different screw, typically labeled as the L screw. The throttle position of the carburetor is also important to consider when adjusting the engine speed. A carburetor is a device that mixes air and fuel in the proper ratio for combustion in an internal combustion engine. It is used in older gasoline-powered vehicles and small engines such as lawnmowers, chainsaws, and motorcycles. The carburetor works by regulating the flow of air and fuel into the engine. It consists of a series of tubes, valves, and chambers that control the amount of fuel and air that enter the engine. Carburetors have been largely replaced by fuel injection systems, which are more efficient and reliable, but they still have some applications in small engines and vintage vehicles. Carburetors require regular maintenance and tuning to ensure proper engine performance and fuel efficiency.

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