what is the difference between an input and output device

Answer:

technician b?

Explanation:

Answer:

do the wam wam

Explanation:

The heat flux is =1038kW/m² , the heat lost per hour is =259.5 kW, the heat lost per hour using a sheet of soda- lime glass.

The thickness of steel( t) = 10mm = 10× 10^-³m

The temperature difference on both sides = 300-100

∆T = 200°C

But the formula for heat flux = q = k∆T/t

Where K = thermal conductivity for steel = 51.9W/mK.

Substitute the variables into the formula for heat flux;

q = 51.9 × 200/10 × 10-³

q = 10380 × 10³/10

q = 10380000/10

q = 1038000 W/m² = 1038kW/m²

To calculate the heat lost per hour if the cross sectional area is = 0.25 m2 use the formula q × A

= 1038kW/m² × 0.25 m2

= 259.5 kW.

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Answer:

a building project...

Explanation:

Answer:

Bluetooth is a slow wireless technology used to connect devices within a radius of about 30 feet. While Bluetooth technology is amazing, there are lots of bugs involved with Bluetooth devices, and there is still lots to be discovered in this area of tech.

The differential height between the two pipe sections is 0.05m

The differential height of water between the two pipe sections can be calculated using the following equation:

h = (Q²*(ρ₂-ρ₁)/(A*g)) * (P₂-P₁)

where

h = differential height of water (m)

Q = volumetric flow rate (L/s)

ρ = density of air (kg/m3)

A = cross sectional area of pipe (m2)

g = gravitational acceleration (9.81 m/s2)

P = pressure (Pa)

Substituting the given values in the equation we get,

h = (200*(1.19-1.20)/(π*(0.1)2*9.81)) * (30-25)

h = 0.05 m

Hence, the differential height of water between the two pipe sections is 0.05 m.

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how am I going to do this, I have a friend that might be able to help I will check

Here's the query:

```sql
SELECT experience AS exp,
      COUNT(*) AS count,
      SUM(CASE WHEN (Helsql = 100 OR Helsql IS NULL) AND
                    (algo = 100 OR algo IS NULL) AND
                    (bug_fixing = 100 OR bug_fixing IS NULL)
               THEN 1 ELSE 0 END) AS max
FROM assessments
GROUP BY experience
ORDER BY exp DESC;
```

This query follows these steps:

1. Select the `experience` column and rename it as `exp`.
2. Count the number of assessments per experience level using `COUNT(*)` and name it `count`.
3. Use the `SUM` function with a `CASE` statement to count the number of assessments achieving the maximum score in each requested category. The `CASE` statement checks if each category's score is 100 or NULL, treating NULL as a perfect score. Name this column `max`.
4. Group the results by `experience` using the `GROUP BY` clause.
5. Order the rows by decreasing experience using the `ORDER BY` clause with `exp DESC`.

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 A) Note that we would need 8 machines to complete the job within the given constraints.

B) the  1,000 replacement parts cannot be completed within these constraints.

(a) First, we need to calculate the total production time required:

Total parts to be produced = 1,000

Cycle time per part = 16.0 min

Scrap rate = 3%

Total production time = Total parts * (Cycle time / (1 - Scrap rate))

= 1,000 * (16.0 / (1 - 0.03)) = 16,494.85 min

calculate the available production time:

calculate the number of machines required:

Machines required = Total production time / (Shift length * 60 - Machine setup time)

Machines required = 16,494.85 / (8.0 * 60 - 5.0 * 60) ≈ 7.64

So, we would need 8 machines to complete the job within the given constraints.

b)

With only two milling machines available, the total production time required will be

Total production time = Total parts * (Cycle time / (1 - Scrap rate))

Total production time = 1,000 * (16.0 / (1 - 0.03)) = 16,494.85 min

Number of shifts = 3 * 6 = 18

Shift length = 8.0 hr/shift

Available production time = Number of shifts * Shift length * 60

Available production time = 18 * 8.0 * 60 = 8,640 min

Clearly, the available production time is not sufficient to complete the job with only two milling machines, as the required production time is greater than the available production time.

So we can conclude to state that  1,000 replacement parts cannot be completed within these constraints.

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The lanyard is a device that connects a stationary object to a fall restraint vest. The correct option is C. lanyard

The answer is C. lanyard. A lanyard is a short length of rope or chain with a snap hook on one end that is used to connect a fall restraint vest to a stationary object. The other end of the lanyard is attached to the vest.

The other options are incorrect. A restraint is a device that prevents someone from moving freely. A tie-off is a secure attachment point for a lanyard. A sling is a piece of fabric that is used to support a load.

The correct option is C

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Answer:

...

Explanation:

...

Valve freezing is mostly caused by pressure drops in the gas passing through them.

According to the "Joule-Thomson Effect," the gas's temperature decreases by 6 to 8 degrees (F) for every 100 psi reduced across a valve.

Every gas contains a small amount of moisture. This implies that you should be mindful of the possibility of freezing whenever your procedure involves considerable pressure decreases.

When the outside temperature falls below 32 degrees Fahrenheit, valve insulation jackets, which don't offer much protection to the valve internals, and even steam, which has the unintended consequence of hastening the deterioration of the valve's seats and seals.

Therefore, Valve freezing is mostly caused by pressure drops in the gas passing through them.

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Answer:

20a=1000

Explanation:

I would honestly select every one of the given options. Gor a company evaluating this new material it would be very valuable to hit each of these factors.

To achieve 100% statement coverage, additional tests are needed to cover different combinations of drink preferences (milk and sugar). For 100% decision coverage, tests should cover both the selection of drink type and the decisions related to adding milk and sugar.

a. Control Flow Diagram:

Start

|

V

Choose Drink Type (Hot or Cold)

|

V

IF Hot Drink

|   |

|   V

|   Ask for Milk Preference

|   |

|   V

|   IF Milk Required

|   |   |

|   |   V

|   |   Add Milk

|   |   |

|   |   V

|   |   Ask for Sugar Preference

|   |   |

|   |   V

|   |   IF Sugar Required

|   |   |   |

|   |   |   V

|   |   |   Add Sugar

|   |   |   |

|   |   |   V

|   |   V

|   V

|   Dispense Hot Drink

|

V

ELSE (Cold Drink)

   |

   V

   Dispense Cold Drink

|

V

End

b. Given the tests:

Test 1: Cold drink

Test 2: Hot drink with milk and sugar

Statement Coverage achieved: The statement coverage achieved would be 10 out of 15 statements (66.7%).

Decision Coverage achieved: The decision coverage achieved would be 2 out of 3 decisions (66.7%).

c. Additional tests for 100% statement coverage:

Test 3: Hot drink without milk and sugar

Test 4: Hot drink with milk only

Test 5: Hot drink with sugar only

Test 6: Hot drink without milk and without sugar

Additional tests for 100% decision coverage:

Test 7: Cold drink

Test 8: Hot drink with milk and sugar

Test 9: Hot drink without milk and sugar

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Answer:

The distance from rest to takeoff is 6116 meters, and the time from rest to takeoff is 138.9 seconds.

Explanation:

To calculate the distance and time from rest to takeoff for a jet transport with a constant acceleration of 0.4g, we can use the equations of motion for constant acceleration. The equations for distance and time are:

Distance: s = v0t + 0.5at^2

Time: t = (v - v0)/a

Where s is the distance, v0 is the initial velocity, t is the time, a is the acceleration, and v is the final velocity. In this case, we are given that the initial velocity is 0 (since the aircraft is at rest), the acceleration is 0.4g, and the final velocity is 200 km/h.

To convert the final velocity to meters per second, we need to first convert the velocity from kilometers per hour to meters per second. One kilometer is equal to 1000 meters, and one hour is equal to 3600 seconds, so 200 km/h is equal to 200 * 1000 / 3600 = 55.56 m/s.

We can then plug these values into the equations of motion to calculate the distance and time from rest to takeoff:

Distance: s = 0 * t + 0.5 * 0.4g * t^2

s = 0.2g * t^2

Time: t = (v - v0)/a

t = (55.56 - 0) / 0.4g

t = 138.9 seconds

Therefore, the distance from rest to takeoff is 0.2g * 138.9^2 = 6116 meters, and the time from rest to takeoff is 138.9 seconds.

a. The equal-frequency partitioning for the given sales price records would be as follows: Bin 1: 5, 10, 11, 13  Bin 2: 15, 35, 50, 55  Bin 3: 72, 92, 204, 215

(a) Equal-Frequency (Equidepth) Partitioning:

Equal-frequency partitioning divides the data into bins of equal frequency. In this case, we have 12 records, so we need to partition them into three bins.

Now, we can assign the records to the bins based on their order. Starting from the lowest value, we assign four records to each bin until all records are assigned. If there are any remaining records, we distribute them evenly across the bins.

Using this method, the equal-frequency partitioning for the given sales price records would be as follows:

Bin 1: 5, 10, 11, 13

Bin 2: 15, 35, 50, 55

Bin 3: 72, 92, 204, 215

(b) Equal-Width Partitioning:

Equal-width partitioning divides the data into bins of equal width or range. In this case, we need to determine the range of the data and then divide it into three equal-width bins.

The range of the data is the difference between the maximum and minimum values, which is 215 - 5 = 210.

Each bin will have a width of 210 / 3 = 70. Starting from the minimum value, we assign the records to the bins based on their value falling within the corresponding width range.

Using this method, the equal-width partitioning for the given sales price records would be as follows:

Bin 1: 5, 10, 11, 13, 15, 35

Bin 2: 50, 55, 72, 92

Bin 3: 204, 215

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Answer:

Girder:

+↑ΣFy=may; 2Tsin⁡60°−8000(9.81) = 8000 (3)   T= 59166.86N ↑ΣFy=may ;\quad \quad \quad 2T \sin { 60° }- 8000(9.81) = 8000(3)\\ T = 59 166.86 N+↑ΣFy​=may​;2Tsin60°−8000(9.81)=8000(3)T=59166.86N

Segment:

→+ΣFx=max;59166.86cos⁡60°−N=0N=29.6kN+↑ΣFy=may;59166.86sin⁡60°−4000(9.81)+V=4000(3)V=0↪+ΣMC=Σ(Mk)C;M+4000(9.81)(1)–59166.86sin⁡60°(2)=–4000(3)(1)M=51.2kN⋅m\overset { + }{ \rightarrow } \Sigma { F }_{ x }=ma_{ x };\quad \quad \quad 59166.86\cos { 60° } -N=0\\ N = 29.6 kN\\ +\uparrow \Sigma { F }_{ y }=ma_{ y };\quad \quad \quad 59 166.86 \sin { 60° }- 4000(9.81) + V = 4000(3)\\ V = 0\\ \hookrightarrow +\Sigma { M }_{ C }=\Sigma ({ M }_{ k })_{ C };\quad \quad M + 4000(9.81)(1) – 59 166.86 \sin { 60° }(2) = – 4000(3)(1)\\ M = 51.2 kN \cdot m→+ΣFx​=max​;59166.86cos60°−N=0N=29.6kN+↑ΣFy​=may​;59166.86sin60°−4000(9.81)+V=4000(3)V=0↪+ΣMC​=Σ(Mk​)C​;M+4000(9.81)(1)–59166.86sin60°(2)=–4000(3)(1)M=51.2kN⋅m

Explanation:

We know that Newtow Third's Law is F=ma, so we can solve for the tension on the side with that and the acceleration given in the y.

After that depending on which section of girder you chose there is a shear force and a normal force as well as a moment on the inside of it, meaning the middle of it, since is uniformly distributed, breaking down on the left the shear force is usually up, and the normal to the right, the moment counterclockwise, so from then is just a matter of doing the sumation of forces on the y and x and the summation of the moments, just remember to account for now being half of the total mass, we still have acceleration on the y, so the summation of moments will equal summation of kinetic moments, where we take into account every force that is trying to make it move, in this case, half the mass of the grinder and the acceleration going up, hope it helps you.

Answer:

I looked at the comments said oh h e double hockey sticks no

Explanation:

Assuming that the list growth has been defined already, you can create the list ratios in Python as follows:

growth = [2, 5, 7, 9, 11]

ratios = [growth[i+1]/growth[i] for i in range(len(growth)-1)]

This list comprehension iterates over the indices of growth from 0 to len(growth)-2 (which is one less than the length of growth) and computes the ratio of the next element to the current element for each index i. The resulting ratios are stored in the list ratios.

In this example, the resulting list ratios will be [2.5, 1.4, 1.2857142857142858, 1.2222222222222223], which are the ratios of consecutive elements in the list growth.

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Answer:

r = 1.922 mm

Explanation:

We are given;

Yield stress; σ = 250 MPa = 250 N/mm²

Force; F = 29 KN = 29000 N

Now, formula for yield stress is;

σ = F/A

A = F/σ

Where A is area = πr²

Thus;

r² = 2900/250π

r² = 3.6924

r = √3.6924

r = 1.922 mm

Answer:

Explanation:

The 7 Habits of Highly Effective People, is a book written and first published in 1989. It is a business and self-help book that was written by Stephen Covey. The seven habits include

Being proactive

Starting anything with the end in mind

First things first

Always thinking towards a win-win situation

Seeking initially to understand, then going on to want to be understood

Synergize, and lastly

Growing

Before using a vise to mount work, wipe the vise base and worktable clean, inspect it for burrs and nicks, and bolt it firmly to the table.

The complete question is,
When a vise is used to mount work, ____.

wipe the vise base and worktable clean, inspect it for burrs and nicks, and bolt it firmly to the table

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Answer:

True

Explanation:

Answer:

A list of hashtags that will help Elena's aerobic studio are:

Explanation:

#aerobics #aerobicsstudio #workout #gym #fitness #exercise #burnout #dance #lifestyle #healthylifestyle #yoga #motivation #weightloss #slimfit #health #livinghealthy #cardio #cardiohealth #hearthealth #funworkout #cardiodance #fitnessdance #bodybalance #burncalories #hitworkout

Answer:

-Computer going blank .

-Mouse pointer freezing.

-Keyboard getting stuck.

Explanation:

Any problems with the computer related to its hardware will consist of issues directly related to the physical components of the PC or computer. So any problem involving the physical component of the computer, then it can be termed as a hardware problem.

Based on the problems given in the option, the hardware issues will be problems with the computer, mouse, and keyboard. These form the physical parts of the computer so they will be a hardware issue.

Thus, the correct answers are the third, fourth, and fifth options.

Answer:

c d e

Explanation:

check photo below

answer is yes

The watt is used to quantify the amount of power in a circuit. Yes the circuit is large enough to carry the load as the reason the above response is correct is as follows:

Number of 500-W lamp to be installed on the same circuit = 8

Circuit voltage, V = 227 V

Rating of circuit breaker on the circuit = 20-A

Allowable load for continuous use = 80% of the rating

The circuit is large enough to sustain the load and has an allowed current load greater than the total current flowing through it. The maximum continuous use current for the circuit is 16 A, or 80% of 20 A.

The current is flowing which can be calculated to use the electric current formula I=V/R. Ohm's Law serves as the foundation for what is known as the "current equation." I, V, and R are the variables that stand in for current, voltage, and resistance, respectively.

Current is calculated as the quantity of electrons passing through the cross section of a conductor in a second. Although they move in the same general direction, current and electrons move in different paths. In both directions, electrons can go from a negative to a positive potential.

Therefore, The watt is used to quantify the amount of power in a circuit.

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