Generate a chirp function. For generated signal;
A. Calculate FFT
B. Calculate STFT
C. Calculate CWT
2. Generate a chirp function. For generated signal; A. Calculate FFT B. Calculate STFT C. Calculate CWT|

Answer:

E = 8.83 kips

Explanation:

First, we determine the stress on the rod:

\(\sigma = \frac{F}{A}\\\\\)

where,

σ = stress = ?

F = Force Applied = 1300 lb

A = Cross-sectional Area of rod = 0.5\(\pi \frac{d^2}{4} = \pi \frac{(0.5\ in)^2}{4} = 0.1963\ in^2\)

Therefore,

\(\sigma = \frac{1300\ lb}{0.1963\ in^2} \\\\\sigma = 6.62\ kips\)

Now, we determine the strain:

\(strain = \epsilon = \frac{elongation}{original\ length} \\\\\epsilon = \frac{0.009\ in}{12\ in}\\\\\epsilon = 7.5\ x\ 10^{-4}\)

Now, the modulus of elasticity (E) is given as:

\(E = \frac{\sigma}{\epsilon}\\\\E = \frac{6.62\ kips}{7.5\ x\ 10^{-4}}\)

E = 8.83 kips

Answer:

C . . . . . . . . . . . . . . . . . . . . . .

(a) The column height of mercury in a mercury barometer is 7.32 meters, or 24.0 feet, or 95.2 inches.

(b) The column height of water in a water barometer is 995 meters, or 3268 feet, or 33.9 feet.

(c) A water barometer is not very practical because it would need to be very tall to measure atmospheric pressure.

(d) Ignoring the practicality issue, a mercury barometer would be more precise because mercury is denser than water.

Mercury barometer: 7.32 m, 24 ft, 95.2 in

Water barometer: 995 m, 3268 ft, 33.9 ft

Water barometer not practical because it would be too tall

Mercury barometer more precise because mercury is denser

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Answer:

it's answer B. I took the test

The estimate of the amount of work accomplished is called volume load.

Volume load refers to the total amount of weight lifted in a workout session. It takes into account the number of sets, the number of repetitions, and the weight used. Volume load can be used as a measure of the amount of work accomplished. Volume load is also used to monitor progress over time.

In conclusion, the estimate of the amount of work accomplished is called volume load. Volume load is a measure of the amount of work done in a workout session. It can be used to monitor progress over time.

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Padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a: (A) increased time of impact.

In Engineering, an automobile is also referred to as a car or motorcar and it can be defined as a four-wheeled vehicle that is designed and developed to be propelled by an internal-combustion (gasoline) engine, especially for the purpose of transportation from one location to another.

Generally speaking, a padded dashboards in automobile vehicles (cars) are safer in the course of an accident than non-padded dashboards because a passenger who hits the dashboard is most likely to encounter a lengthened time of contact or an increased time of impact, which may eventually lead to casualties.

In conclusion, it is very important to purchase automobile vehicles (cars) with a padded dashboard by the manufacturer.

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Complete Question:

Padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a _____?

(a) increased time of impact

(b) decreased impulse

(c) increased force

(d) increased impulse.

Answer:

the equivalent resistance of the circuit decreases and the total current of the circuit increases. 

Explanation:

hope this helps

Answer:

recombinant human growth

Explanation:

Answer:

recombinant human growth

Explanation:

yes

Answer:

you have to think then go scratch and then calculate and the design  

Explanation:

The statistical analysis of a dataset inform a design process.

Statistical analysis is a kind of tool which helps collect and analyze large amounts of data. This is helpful to identify common patterns of dataset and make trends to convert them into meaningful information.

Designers do make use of statistical analysis of dataset in design process.

Analysis is a key part of design process.  Without analysis, nothing can be done in designing process.

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In Stokes flow, the fluid velocity is proportional to the forces acting on the fluid and the fluid is assumed to be viscous and incompressible. The fluid velocity near a rotating sphere in Stokes flow can be determined using the equations of fluid dynamics.

Kinematic reversibility is a property of Stokes flow, which states that the fluid flow is symmetric with respect to time reversal. This means that if the fluid velocity is recorded at a certain time, then the same velocity field will be obtained if time is reversed and the flow is replayed in the reverse direction.

When a sphere is rotating near a wall, the flow of fluid around the sphere creates a velocity field that pushes the sphere away from the wall. This flow can be considered as the fluid being pushed away from the sphere and towards the wall. If the flow is time-reversed, the fluid velocity field would be the same, but the direction of the velocity would be reversed. This means that the fluid would be drawn towards the sphere and away from the wall, pulling the sphere towards the wall.

Therefore, based on the property of kinematic reversibility in Stokes flow, the rotating sphere near a wall will experience a force that could either push it away from the wall or draw it towards the wall, depending on the direction of the flow.

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Answer:

10.203 Volts

Explanation:

For this problem, we need to understand that a series resistive circuit is simply a circuit with some type of voltage source and some resistors, in this case, R1 and R2.

First, we need to find the voltage in the circuit.  To do this, we need to find the total resistance of the circuit.  When two resistors are in series, you sum the resistance.  So we can say the following:

R_Total = R1 + R2

R_Total = 570 Ω + 560 Ω

R_Total = 1130 Ω

Now that we have R_Total for the circuit, we can find the voltage of the circuit by using Ohm's law, V = IR.

V_Total = I_Total * R_Total

V_Total = 17.9 mA * 1130 Ω

V_Total = 20.227 V

Now that we have V_Total, we can find the voltage drop across each resistor by using Ohm's law once more.  Note, that since our circuit is series, both resistors will have the same current (I.e., I_Total = I_1 = I_2).

V_Total = V_1 + V_2

V_Total = V_1 + I_2*R2

V_Total - I_2*R2 = V_1

20.227 V - (17.9 mA * 560 Ω) = V_1

20.227 V - (10.024 V) = V_1

10.203 V = V_1

Hence, the voltage drop across R1 is 10.203 Volts.

Cheers.

Answer:

a. Free cash to the firm:

Year                                                                 1            2           3            4

Free Cash Flow to the firm ( MUR '000)  3,708     3,542    3,506    3,470

b. The payback period for this project, based on the free cash flow, is after year 4.

c. The net present value is (MUR 5,757,000)

d. No.  Based on the payback period and the net present value, the project should be rejected.

Explanation:

a) Data and Calculations:

Projected Income Statements

Year                                                                 1            2           3            4

Revenues ( MUR '000)                              10,000    11,000   12,000   13,000

Less Cost of Goods Sold ( MUR '000)       4,000    4,400     4,800    5,200

Less Depreciation ( MUR '000)                  4,000    3,000     2,000    1,000 Earnings b/4 Interest & Tax ( MUR '000)   2,000    3,600    5,200    6,800

Interest on capital (12%)  ( MUR '000)         1,800    2,040    2,040    2,040

Earnings before tax ( MUR '000)                  200     1,560     3,160    4,760

Income Tax (40%)                                            80        624     1,264    1,904

Net Income after tax ( MUR '000)                 120        936     1,896    2,856

Add Depreciation  ( MUR '000)                 4,000    3,000    2,000     1,000

Net cash from operations (MUR '000)      4,120     3,936    3,896    3,856

Working capital investment (MUR '000)      412        394       390       386

Free Cash Flow to the firm                       3,708     3,542    3,506    3,470  Net present value                                          

The payback period for this project, based on the free cash flow, is after year 4.

Interest on capital:

Initial investment = MUR 15 million * 12% = MUR 1,800,000 for year 1

Additional investment = MUR 2 million * 12$ =      240,000

Total interest expense from year 2 =         MUR 2,040,000

Net present value:

Year                                                 1            2           3            4     Total

Free Cash Flow to the firm     3,708     3,542    3,506    3,470  14,226

Discount factor                        0.893     0.797     0.712    0.636

Present value                            3,311     2,823    2,496   2,207   10,837

Cash outflows:                       15,000     1,594       0         0         16,594

Net present value =                                                                      (5,757)

Cash outflow for year 2 = 2,000,000 * 0.797 = 1,594,000

To factor out the unit conversion calculation into a separate function, you can define a function called mph_and_minutes_to_miles() as follows:

def mph_and_minutes_to_miles(miles_per_hour, minutes_traveled):

   hours_traveled = minutes_traveled / 60.0

   miles_traveled = miles_per_hour * hours_traveled

   return miles_traveled

Unit conversion calculation refers to the process of converting a value from one unit of measurement to another.

Here's the modified code that calls the mph_and_minutes_to_miles() function:

miles_per_hour = float(input())

minutes_traveled = float(input())

# Call the function and store the result in the variable "miles_traveled"

miles_traveled = mph_and_minutes_to_miles(miles_per_hour, minutes_traveled)

# Print the result

print('Miles: %f' % miles_traveled)

Now, when you run the program and provide the input values, it will calculate the miles traveled using the mph_and_minutes_to_miles() function and display the result.

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Answer:

One of the most common injuries that result from working on a scaffold is electrocution. If workers make contact with those wires while working, it can lead to electric shock, especially if that contact damages the wire or if the scaffold is made of metal.

One of the hazards in scaffolding is inadequate assembly

Scaffolding is a temporary structure often used in construction, maintenance, and other projects to provide a platform for workers to access higher areas. However, if not properly assembled, it can become a hazard.

If scaffolding is not assembled correctly, it may lack stability and structural integrity.

This can lead to the scaffolding collapsing, causing workers to fall from significant heights. Improper assembly might involve using incorrect components, insufficiently securing connections, or neglecting safety guidelines

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An o ring intended for use in a hydraulic system using MIL-H-5606 (mineral base) fluid will be marked with a blue stripe or dot.

Zinc oxide (ZnO) can be reduced to zinc metal through various techniques. In this context, the reduction process of Zinc oxide (ZnO) by using a retort furnace through carbon and carbon monoxide is to be discussed.The chemical reactions for Zinc oxide (ZnO) reduction in a retort furnace by carbon and carbon monoxide.

The first reaction that occurs during the reduction of Zinc oxide (ZnO) is the formation of Zinc (g) and Carbon monoxide (CO) from Zinc oxide (ZnO) and Carbon (C) respectively.

The main reaction for the reduction of Zinc oxide (ZnO) in a retort furnace by carbon and carbon monoxide is:ZnO (s) + C (s) → Zn (g) + CO2 (g)The above reaction is the overall reaction for the Zinc oxide (ZnO) reduction.

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Answer:

Explanation:

The forward-biased voltage drop of a semiconductor diode depends on the material it is made of and the method of fabricating the junction.

A silicon diode will have a voltage drop that can be estimated as 0.7 V. The actual value will depend on current and temperature.

A germanium diode will have a voltage drop closer to 0.3 V, again depending on current and temperature.

A Schottky diode may have a voltage drop between 0.2 and 0.3 V, so may be difficult to distinguish from a germanium diode.

If it measures 0.3 V, the diode is probably made of germanium, and is forward biased.

__

The reverse-biased voltage reading will generally match the open-circuit voltage of the testing device.

Answer:

33.56 ft^3/sec.in

Explanation:

Duration = 6 hours

drainage area = 185 mi^2

constant baseflow = 550 cfs

Derive the unit hydrograph using the inverse procedure

first step : calculate for the volume of direct runoff hydrograph using the details in table 2 attached below

Vdrh = sum of drh *  duration

        = 29700 * 6 hours ( 216000 secs )

        = 641,520,000 ft^3.

next step : Calculate the volume of runoff in equivalent depth

Vdrh / Area = 641,520,000  / 185 mi^2

                    = 1.49 in

Finally derive the unit hydrograph

Unit of hydrograph = drh /  volume of runoff in equivalent depth

                                = 50 ft^3 / 1.49 in  =  33.56 ft^3/sec.in

Explanation:

Acoustic.

In general, soft, pliable, or porous materials (like cloths) serve as good acoustic insulators - absorbing most sound, whereas dense, hard, impenetrable materials (such as metals) reflect most.

Answer:

Acoustic

Explanation:

Trust me

A torsion isn't part of the shock absorber. Hence, technician A is wrong and technician B is correct.

The suspension system allows the wheel to up and down over bumps in the road. The suspension system makes the wheels and tires to up and down to absorb the shock from bumps. The rubber tires and air in the tires also slow down the ride over hard surfaces and conform to slightly uneven and rough surfaces. Thus, technician B is correct. Meanwhile, the technician A is wrong because a torsion isn't kind of shock absorber.

Kind of shock absorbers are:

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The installation of all piping within the walls, floors, and ceilings of the finished building is called rough-in plumbing.

This refers to the initial installation of the plumbing system before the walls, floors, and ceilings are finished. It includes the installation of water supply lines, waste and vent pipes, and any other necessary plumbing fixtures. Once the rough-in plumbing is installed, it is then covered by the finished materials, such as drywall, flooring, and ceiling tiles. The purpose of rough-in plumbing is to ensure that all necessary pipes and fixtures are installed in the correct locations before the finishing work begins. This helps to avoid any future problems or complications that may arise from incorrect installation. Once the rough-in plumbing is complete, the next step is the installation of the plumbing fixtures, such as sinks, toilets, and showers, followed by the final finishing work. Overall, rough-in plumbing is an essential aspect of any building project, as it lays the foundation for the entire plumbing system.

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Answer:

Magic

Explanation:

magic is the answer to everything unexplainable

Modular switches offer two main advantages over fixed-configuration switches. Modular switches have two main advantages over fixed-configuration switches: flexibility and scalability

The modular design of these switches allows for greater flexibility in terms of the number and types of ports that can be added or removed, as well as the ability to customize the switch to meet specific network requirements. Additionally, modular switches offer greater scalability, allowing organizations to easily expand their network as their needs grow without having to replace the entire switch. This makes modular switches an ideal choice for larger organizations that require a more flexible and scalable network infrastructure.

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Answer:

Zoning is like a hammer because it is used as a tool for urban planning.

Answer:

Logging while drilling (LWD) is a technique of conveying well logging tools into the well borehole downhole as part of the bottom hole assembly (BHA). ... In these situations, the LWD measurement ensures that some measurement of the subsurface is captured in the event that wireline operations are not possible

Bimetal thermometers should be calibrated at least once a year or whenever readings are suspect.

A bimetal thermometer should be calibrated at least once a year, or whenever readings are suspect. This is important because bimetal thermometers are made up of two strips of different metals that contract and expand in response to changes in temperature. Over time, the bimetallic strips can become misaligned, resulting in inaccurate temperature readings.

To ensure accuracy, bimetal thermometers need to be calibrated by a professional. During the calibration process, the thermometer is compared to a reference thermometer and adjusted accordingly to bring it back to its original accuracy.

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Answer:

Explanation:

From the information given;

The velocity of the wind blow V = 7 m/s

The diameter of the blades  (d) = 80 m

Percentage of the overall efficiency \(\eta_{overall} = 30\%\)

The density of air \(\rho = 1.25 kg/km^3\)

Then, we can use the concept of the kinetic energy of the wind blowing to estimate the mechanic energy of air per unit mass by using the formula:

\(e_{mechanic} = \dfrac{mV^2}{2}\)

here;

m = \(\rho AV\)

= \(1.25 \times \dfrac{\pi}{4}(80)^2 \times 7\)

= 43982.29 kg/s

∴

\(W = e_{mechanic} = \dfrac{mV^2}{2}\)

\(= \dfrac{43982.29 \times 7^2}{2}\)

\(= 1077566.105 \ W\)

\(\mathbf{ =1077.566 \ kW}\)

The actual electric power is:

\(W_{electric} = \eta_{overall} \times W\)

\(W_{electric} = 0.3 \times 1077.566\)

\(\mathbf{W_{electric} =323.26 \ kW}\)