Given the following relations: • registered (pnum:integer, hospital:string) • operation (hospital:string, when: date_time, op_room: string, doc:integer) • doctor (doc:integer, dname: string, dept:string) • patient (pnum:integer, pname: string, illness:string, age: integer) Provide Relational Algebra instructions for each of the following questions. You must use the symbols seen in class. Do NOT use relational algebra in text form. Determine the names of those doctors who operated on cancer patients but not on covid patients. List the names and ages of all patents registered in "Princeton-Plainsboro' hospital. List the names and ages of all patlents registered in "Princeton-Plainsboro' hospital.

Note that  the minimum radius that will satisfy the sight distance and superelevation requirements for a horizontal curve that is to be designed to connect two tangents on a rural principal arterial with a design speed of 70 mi/hr is 1,385 feet.

The sight distance requirement for a rural principal arterial with a design speed of 70 mi/hr is 1,200 feet.

The superelevation requirement for a rural principal arterial with a design speed of 70 mi/hr is 0.08.

The sight distance requirement can be calculated using the following equation  -

S = 0.078 * V^2 * T

where:

* S is the sight distance in feet

* V is the design speed in miles per hour

* T is the time to react in seconds

The time to react is typically assumed to be 2 seconds.

Substituting the values

S = 0.078 * 70 * 70 * 2

= 1,200 ft

The superelevation requirement can be calculated using the following equation  -

e = 0.08 * V

where   -

* e is the superelevation in feet per foot

* V is the design speed in miles per hour

Substituting the values into the equation, we get:

e = 0.08 * 70

= 5.6 ft/ft

The minimum radius that will satisfy the sight distance and superelevation requirements can be calculated using the following equation

R = e * T^2 / 2 * S

where  -

* R is the radius in feet

* e is the superelevation in feet per foot

* T is the time to react in seconds

* S is the sight distance in feet

Substituting the values into the equation, we get  -

R = 5.6 * 2^2 / 2 * 1,200

= 1,385 ft

Therefore, the minimum radius that will satisfy the sight distance and superelevation requirements for a horizontal curve that is to be designed to connect two tangents on a rural principal arterial with a design speed of 70 mi/hr is 1,385 feet.

Learn more about sight distance at:

https://brainly.com/question/30354882

#SPJ4

Explanation:

Power= Current × Voltage

P= I ×V

P= 10×24

P= 240 W

Answer:

Explanation:

P = I × V

P = 10 × 24

P = 240 W

Each oxygen atom has two bonding pairs and two lone pairs in the hydrogen peroxide (H2O2) molecule's Lewis structure.

To learn more about  lewis electron refer

https://brainly.com/question/20300458

#SPJ4

The statement "Employees are not responsible for their own safety while at work" is false because Employees most certainly are responsible.

A multidisciplinary discipline dealing with the safety, health, and welfare of individuals at work is known as occupational safety and health, often known as occupational health and safety, occupational health, or occupational safety.

An environment that is safe and healthy for workers may minimize injury and sickness expenses, lower levels of absenteeism, boost output and quality, and improve employee morale. In other words, safety benefits the business.

Thus, the statement "Employees are not responsible for their own safety while at work" is false because Employees most certainly are responsible.

Learn more about Occupational safety here:

https://brainly.com/question/27577742

#SPJ2

Answer:

This article deals with weight formula and its derivation. Weight refers to the force which acts on a body or object due to the effect of gravity. So, when an individual stands on a scale, the reading that appears is the weight. The more an individual weighs consequently means a higher reading on the scale. When an individual loses weight, he should think of it as lessening one’s force on the Earth due to gravity.

weight formula

What is Weight?

Simply speaking, weight refers to the force of gravity. Weight is certainly a force that acts on all bodies or objects at all times near a heavenly body such as the Earth. The Earth pulls all objects downward towards the center with a force of gravity. One can find the magnitude of the force of gravity by multiplying the magnitude of the acceleration due to gravity by the mass of the particular object.

Some books describe weight as a scalar quantity, the magnitude of the gravitational force. In contrast, some books refer to weight as a vector quantity, the gravitational force which acts on the object. Moreover, some experts explain weight as referring to the magnitude of the reaction force which is exerted on a body by various mechanisms. Also, these mechanisms keep the body in place.

The unit of measurement for weight is certainly that of force. This unit in the International System of Unit (SI) is the newton. The object with a mass of 1 kilogram would weigh about 9.8 Newtons on the Earth’s surface. Furthermore, it would weigh about one-sixth as much on the moon.

Weight Formula

The weight of an object or body certainly depends on the mass of the object and the gravity acting on it. This is why, the weight is different from mass. The mass of an object would be same whether on the Earth or on the Moon. The weight of an object due to the influence of gravity would be different on the Earth than on the Moon. The weight formula can be explained as follows:

Weight = mass × gravity

The formula for this is:

w = mg

Here we have,

w = weight

m = mass

g = gravity

Explanation:

To compute a paired-samples t-test to determine if overall life stress, on average, increases or decreases with age in the population, you need to compare the two groups (ages) to see if there is a significant difference between the means of their life stress scores.  

Here are the steps to compute a paired-samples t-test:
1. Calculate the mean difference between the two paired samples (Mdiff).
2. Calculate the standard deviation of the differences (SDdiff).
3. Calculate the standard error of the mean difference (SEdiff) using the formula SEdiff = SDdiff / √n, where n is the sample size.
4. Calculate the t-value using the formula t = Mdiff / SEdiff.
5. Compare the t-value to the critical value from the t-distribution table to determine if the difference is statistically significant.

Learn more about t-test: https://brainly.com/question/17438355

#SPJ11

Answer:

The answer is "150 \(\Omega\)".

Explanation:

Its line length must be converted into wavelengths for the Smith chart to be used.

\(\to \beta = \frac{2 \pi }{\lambda } \\\\\to u_p = \frac{\omega }{\beta}\\\\\lambda =\frac{2 pi}{\beta} =\frac{2 \pi U_p}{\omega}=\frac{c}{\sqrt{\varepsilon_r f}}\)

                        \(= \frac{3 \times 10^8}{ 2.25 \times (5 \times 10^9)}\\\\= \frac{3}{ 2.25 \times 5\times 10 }\\\\= \frac{3}{ 22.5 \times 5 }\\\\= \frac{3}{ 112.5}\\\\= 0.04 \ m.\)

\(l =\frac{0.30 }{0.04 } \times \lambda\)

  \(= 7.5 \lambda\)

Because it is an integrated half-wavelength amount,

\(Z_{in} = Z_L = 150 \ \Omega\)

Answer:

True

Explanation:

they put it through a process to be able to reuse it

Answer:

When a system is produced using the evolutionary development model, features tend to be added without regard to an overriding design. With each modification, the software becomes increasingly disorganized. System maintenance hampered by these problems, as it is harder identifying the source of bugs in poorly designed systems. Also, keeping the documentation up to date over successive "evolution" is uncommon. Poor documentation also makes maintenance more difficult.

Explanation:

・It leads to implementing and then repairing way of building systems.

・Practically, this methodology may increase the complexity of the system as scope of the system may expand beyond original plans.

・Incomplete application may cause application not to be used as the full system was designed.

・Their results have incomplete or inadequate problem analysis.

Technician b says the pcv system should be tested first is correct.

Vaccine Knowledge | PCV (Pneumococcal Conjugate Vaccine). MenB vaccination (Meningococcal B Vaccine)

Poor fuel economy is one of the indications of a faulty PCV valve. The precise ratio of the air and fuel mixture, which is necessary for proper combustion, will be thrown off by a broken PCV valve.

While not all vehicles have one, the majority do. If your vehicle has one, check the PCV valve (shown in Figure 8-5) to make sure it isn't blocked with sludge from impurities in the exhaust fumes or stuck in the wide-open position if your engine has been idling unevenly or if a malfunction indicator light comes on.

To learn more about pcv system refer to:

https://brainly.com/question/13812760

#SPJ4

Answer:

Use GitHub or stackoverflow for this answer

Explanation:

It helps with programming a lot

Solution :

It is given that :

Thermal coefficient = 0.0045/K

Ambient temperature, \($T_a = 25 - 40^\circ$\)

air velocity, v = 0-5 m/s

Solar radiation, \($G= 400-100 \ W/m^2$\)

\($P=50 \ W$\)

Model calculations :

Cell temperature (\($T_c$\))

\($T_c = T_a + \left(\frac{0.25}{5.7+3.8 \ v_w}\right) G$\)

where \($ v_w - v_a = $\) wind speed / air speed

∴ \($T_c = 2 \pi + \left(\frac{0.25}{5.7+3.8 \times 1}\right) \times 400$\)

   \($T_c = 35.526 ^\circ$\)

\($\Delta T = T_c -25$\)

      = 35.526 - 25

      = 10.526 K

Thermal coefficient = 0.0045 x 10.526

                                = 0.04737

Pv power = \($(1 -C_T) \times P \times \frac{G}{1000}$\)

                \($=(1 -0.04737) \times 50 \times \frac{400}{1000}$\)

                = 17.0526 W

Answer:

I = 2 A

Explanation:

Given:

N = 2.5·10¹⁹ electrons

| e | = 1.6·10⁻¹⁹ С  - electron charge modulus

t = 2 s

_______________

I - ?

Charge:

q = N·| e | = 2.5·10¹⁹·1.6·10⁻¹⁹ = 4 С

Current strength:

I = q / t = 4 / 2 = 2 A

Answer:

Following are the program to the given question:

#include <stdio.h>//header file

double square_root(double N, double initialGuess)//defining a method square_root that takes two variable in parameters

{

double NG, LG = initialGuess,diff;//defining double variable

while(1)//use loop to calculate square root value

{

NG = 0.5 * (LG + N / LG);//using given formula

diff = NG - LG;//calculating difference

if(diff < 0)//use if to check difference is less than 0

diff = -diff;//decreaing difference

if(diff < 0.005)//use if that check difference is less than 0.005

break;//using break keyword  

else//defining else block

{

LG = NG;//holding value

}

}

return NG;//return value

}

int main()//defining main method

{

double ans, n,initialguess = 1.0;//defining double variable

n = 4;//use n to hold value

ans = square_root(n, initialguess);//calculating the square root value and print its value

printf("square_root(%lf) = %lf \n", n, ans);//print calculated value with number

n = 120.5;//use n to hold value

ans = square_root(n, initialguess);//calculating the square root value and print its value

printf("square_root(%lf) = %lf \n", n, ans);//print calculated value with number

n = 36.01;//use n to hold value

ans = square_root(n, initialguess);//calculating the square root value and print its value

printf("square_root(%lf) = %lf \n", n, ans);//print calculated value with number

n = 0.25;//use n to hold value

ans = square_root(n, initialguess);//calculating the square root value and print its value

printf("square_root(%lf) = %lf \n", n, ans);//print calculated value with number

printf("\nEnter a number: ");//print message

scanf("%lf", &n);//input value

ans = square_root(n, initialguess);//calculating the square root value and print its value

printf("square_root(%lf) = %lf \n", n, ans);//print calculated value with number

}

Output:

Please find the attachment file.

Explanation:

Answer:

F = Qa*K

Explanation:

The force on the dipole is expressed as the negative gradient of the potential energy.

Thus;

Force; F = -dU/dx

Now, the potential energy is given as;

U = -pE

So, dU/dx = -pdE/dx

Since F = -dU/dx

Then, F = p*dE/dx

We are given p = Qa

Then;

F = Qa(dE/dx)

We are given that dE/dx = K

Thus;

F = Qa*K

Stairs, ladders, or ramps are required at an elevation break of 19 inches or more.

This is to ensure the safety of those who use the facility, particularly people with disabilities. If there is a level change of more than 19 inches, it is suggested that a ramp or elevator be installed to make it more accessible. Ramps, ladders, and stairs are vital components of any building or construction that has an elevation break of 19 inches or more. Their function is to offer a secure and convenient way of accessing various floors within a facility, whether it's a residential or commercial structure.

The Americans with Disabilities Act (ADA) has laws that ensure that facilities are built to be accessible to individuals with disabilities. For instance, they provide guidelines on the minimum width of a ramp or the steepness of the stairs. This is to ensure that individuals who use a wheelchair or walker can easily navigate the building. If a building has an elevation break of more than 19 inches, then it is required to have a ramp that meets the guidelines of the ADA. This will make it easier for individuals with disabilities to move from one floor to the next.

Moreover, if the building is relatively large and has multiple floors, an elevator is recommended. The elevator will ensure that people with disabilities can quickly move around the building without any issues. In conclusion, stairs, ladders, or ramps are required at an elevation break of 19 inches or more. The ADA guidelines ensure that individuals with disabilities have access to all parts of the building. They stipulate the minimum width, height, and slope of a ramp, as well as the steepness of the stairs. When designing a building, it is crucial to consider these guidelines to make the facility accessible to all.

Know more about the Americans with Disabilities Act (ADA) here :

https://brainly.com/question/29564392

#SPJ11

Stairs, ladders, or ramps may be required at certain elevation breaks to ensure safe access between different levels.

In physics, when there is a change in elevation, stairs, ladders, or ramps may be required to provide a safe means of accessing different levels. The specific elevation break at which one of these options is required depedependsnds on various factors, such as the height and angle of the change in elevation, as well as any applicable building codes or regulations. For example, building codes may require the use of stairs for elevation breaks of a certain height, but ramps may be required for breaks above a certain threshold that accommodate individuals with mobility impairments.

https://brainly.com/question/35572262

Answer: Service and/or product line

Answer:

Except what? I'm confused

All of these are true about using adhesive except Bilateral. A bilateral contract is defined as an agreements between two parties in which each side agrees to fulfill his or her side of the bargain.

A bilateral contract is defined as an agreements between two parties in which each side agrees to fulfill his or her side of the bargain. According to my research on the different terms used when referencing an insurance contract, I can say that all of the answers provided except for Bilateral are considered typical characteristics describing the nature of an insurance contract.

Since an insurance contract is a fund that the insurance company pays in the case of an accident in which the person is injured, there is only one party that agrees to fulfill their side of the bargain and that is the insurance company.

Therefore, All of these are true about using adhesive except Bilateral. A bilateral contract is defined as an agreements between two parties in which each side agrees to fulfill his or her side of the bargain.

Learn more about adhesive on:

https://brainly.com/question/29061431

#SPJ2

Reinforcement learning is a type of machine learning that involves training agents to take action in an environment in order to maximize a reward. In this sense, reinforcement learning can be seen as a model for how organisms learn and adapt to their environment in order to maximize their fitness.

However, reinforcement learning does not directly model the process of evolution. Evolution involves the process of natural selection, in which certain traits are passed on to future generations because they increase the reproductive success of the organisms possessing those traits. In contrast, reinforcement learning involves training agents to optimize their behavior based on immediate rewards, without necessarily considering the long-term reproductive success of the agent.

There is a connection between hardwired reward signals and evolutionary fitness in the sense that certain behaviors that are reinforced by reward signals may increase an organism's fitness. For example, an organism that is hardwired to seek out and consume nutritious food may have higher fitness than one that is not, because it is more likely to survive and reproduce. However, this connection is not explicitly modeled in reinforcement learning.

To know more about reinforcement learning:

https://brainly.com/question/21328677

The minimum clock period for this CPU should be at least 345 ps.

To determine the latencies and clock period requirements for different instructions in the given exercise, we will consider the provided values for the logic block latencies.

4.7.1:

The latency of an R-type instruction refers to the time required for the instruction to complete its execution. In this case, the R-type instruction consists of register read, ALU operation, and register write. From the given values, we can determine the total latency by summing the latencies of the logic blocks involved:

Latency = Register Read + ALU Adder + Register Write

Latency = 150 ps + 25 ps + 150 ps

Latency = 325 ps

Therefore, the clock period should be at least 325 ps to ensure the correct execution of an R-type instruction.

4.7.2:

The latency of ld (load) instruction represents the time required to complete the load operation, which involves register read, sign extension, ALU operation, and register write. Adding up the latencies of the involved logic blocks:

Latency = Register Read + Sign Extend + ALU Adder + Register Write

Latency = 150 ps + 20 ps + 25 ps + 150 ps

Latency = 345 ps

Thus, the clock period should be at least 345 ps for the correct execution of the ld instruction.

4.7.3:

Similar to the ld instruction, the sd (store) instruction involves register read, sign extension, ALU operation, and register write. Adding up the latencies:

Latency = Register Read + Sign Extend + ALU Adder + Register Write

Latency = 150 ps + 20 ps + 25 ps + 150 ps

Latency = 345 ps

The clock period should be at least 345 ps for the correct execution of the sd instruction.

4.7.4:

The latency of beq (branch equal) instruction involves register read, ALU operation, and control logic. Summing up the latencies:

Latency = Register Read + ALU Adder + Control

Latency = 150 ps + 25 ps + 50 ps

Latency = 225 ps

A clock period of at least 225 ps is required for the correct execution of the beq instruction.

4.7.5:

The I-type instruction refers to the load and store instructions (ld and sd). Since we have already determined their latencies in previous questions:

I-type Instruction Latency = Latency of ld or sd = 345 ps

4.7.6:

The minimum clock period for this CPU would be equal to the highest latency among all the instructions. From the previous calculations, the highest latency is 345 ps.

Therefore, the minimum clock period for this CPU should be at least 345 ps.

Learn more about CPU here

https://brainly.com/question/30458937

#SPJ11

A collapsible spacer is used in some differentials to provide the proper preload for the drive pinion bearings.

A collapsible spacer is a component used in the differential of some vehicles, which is designed to allow for precise adjustment of the preload on the drive pinion bearings. The drive pinion is the part of the differential that transmits power from the transmission to the ring gear, which drives the wheels. The preload on the drive pinion bearings is critical to ensure that they remain properly aligned and lubricated, which helps to prevent premature wear and damage to the differential. The collapsible spacer is designed to allow the installer to adjust the amount of compression on the bearings to achieve the proper preload, ensuring that the differential operates smoothly and reliably. If the preload is not set correctly, the differential may produce noise or vibrations, or may suffer from premature wear or damage.

To learn more about pinion bearings : brainly.com/question/29220317

#SPJ11

Answer:

number1 = input("Choose a first number: ")

number2 = input("Choose a second number: ")

if number1 >= number2:

print("Number 1 is greater")

The excludable interest is just $1,000 because Arthur's modified adjusted gross income exceeds the applicable dollar limit by $5,000.

Tax can be defined as the sum that is received by an individual or an organization on its profits or other income, and it is then received by the government.

Interest on education savings bonds is tax-free up to a maximum of $6,000 per bond.

$5,000 is the excess of the modified adjusted gross income.

Arthur should not exceed the phase-out limits in terms of adjusted gross income.

As a result, since Arthur's modified adjusted gross income is $5,000 more than the applicable dollar limit, the excludable interest is $1,000.

Learn more about tax, here:

https://brainly.com/question/16423331

#SPJ1

Answer:

a

Explanation:

becasue it is

Answer:

the answer for this question is true

Question:

It is always the employee's responsibility to make sure they wear their respirator. A) True B) False

Answer:

The answer to this question would be A. True

Explanation:

It would be the employee's responsibility the boss/manager should not have to tell them to put it on. If you don't know what a respirator is it's worn over the mouth and nose as a mask to prevent the inhalation of dust, and other chemicals and stuff.

I hope it helps you!

~XxBells is a cute girlxX~

#Learn with Brainly