FDM system user to combine 9 tones on a single carrier four of these tones are each 2.5 kHz and modulated SSB on sub-carrier with guard band of 200 Hz. The other is each at 4.2 kHz and are modulated FM on sub-carrier with modulation index of 5 with guard band of 300 Hz. The base band signal is frequency modulated on main carrier with modulation index of 10. calculate the transmission bandwidth of the FDM signal. Assuming 400 Hz as a guard band .between SSB and FM sub-carrier BW=4.812 MHz BW=3.812 MHz BW=7.812 MHz BW=8.812 MHz O BW=6.812 MHz BW-5.812 MHz BW=9.812 MHz

Answer:

A

Explanation:

In-situ conservation is the practice of keeping living things in their natural habitats. In the process, the natural surroundings or ecosystem is preserved and protected in order to benefit and conserve all the constituent species, whether they are known or undiscovered.

Wildlife conservation helps to maintain and preserve many species of animals, plants, and their natural habitats. If we keep protecting wildlife, future generations will be able to enjoy our natural world and the incredible creatures that live there.

A fantastic method to protect the natural habitat of nearby animals is to grow native plants in your garden or on any land you own. In addition to benefiting the animals' population, this helps prevent the spread of exotic species, which harms the local fauna.

Therefore, In-situ conservation activity promotes the preservation of species.

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To design a filter with infinite DC gain and a gain of one from 1Hz to 100Hz, while filtering any signals above 100Hz (1st order), we can use a high-pass filter with a cutoff frequency of 100Hz.

a) The Bode plot of this filter would show a flat line at infinity for frequencies less than 1Hz, a slope of 20dB/decade from 1Hz to 100Hz, and a sharp drop of 20dB/decade for frequencies above 100Hz.
b) The s-plane would show a single pole at -100rad/s.
c) The transfer function of this filter can be written as: H(s) = (s+100)/s
d) The differential equation for this filter can be written as: \(y''(t) + 100y'(t) + y(t) = 100x'(t) + x(t)\)
e) The unforced transient response for this filter can be written as: y(t) = \([c1e^(-50t)cos(99.5t) + c2e^(-50t)sin(99.5t)]\)
f) The frequency response for this filter is given by: H(jw) = (jw + 100) / jw.

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Answer:

Explanation:

Here is an example of a binary search tree (BST) implementation in Python using a list:

class BST:

   def __init__(self, data):

       self.root = [data, [], []]

   def insert_left(self, data):

       if self.root[1] == []:

           self.root[1] = [data, [], []]

       else:

           t = BST(data)

           t.root[1] = self.root[1]

           self.root[1] = t.root

   def insert_right(self, data):

       if self.root[2] == []:

           self.root[2] = [data, [], []]

       else:

           t = BST(data)

           t.root[2] = self.root[2]

           self.root[2] = t.root

   def get_left_child(self):

       return self.root[1]

   def get_right_child(self):

       return self.root[2]

   def set_root_val(self, data):

       self.root[0] = data

   def get_root_val(self):

       return self.root[0]

This implementation uses a list to represent the nodes of the tree. Each node contains the data value, and the indices of the left and right child nodes (which are also lists).

To create a BST object, we can use the following code:

python

Copy code

my_bst = BST(5)

my_bst.insert_left(3)

my_bst.insert_right(8)

This creates a BST with a root node of 5, a left child node of 3, and a right child node of 8.

We can access and modify the values of the nodes using the methods get_root_val, set_root_val, get_left_child, and get_right_child. For example:

print(my_bst.get_root_val())  # output: 5

my_bst.set_root_val(7)

print(my_bst.get_root_val())  # output: 7

print(my_bst.get_left_child().get_root_val())  # output: 3

This code sets the root value to 7, and then prints the root value and the value of the left child node. The output should be:

7

3

Answer:

A Pulley would be a simple machine.

Explanation:

A pulley has only has one kind of movement

Answer:

a pulley

Explanation:

letter B.

Answer:

Switching on and off

Explanation:

No starters are often caused by a faulty crankshaft actuator. The signals from this transmitter is sent to the ignition module, which turns in and out of the ignition system. If you already have an RPM sign, it's possible that a faulty ignition unit or PCM isn't turning the coils on and off. Along with button on and the motor cranking, testing for volts at the contacts with a voltmeter.

Answer: The velocity of a motor cyclist who travelled a distance of 200 m in 10 seconds is 20 m/sec.

Explanation:

Given: Distance = 200 m

Time = 10 seconds

Formula used to calculate velocity is as follows.

\(Velocity = \frac{Distance}{Time}\)

Substitute the value into above formula as follows.

\(Velocity = \frac{Distance}{Time}\\= \frac{200 m}{10 sec}\\= 20 m/sec\)

Thus, we can conclude that the velocity of a motor cyclist who travelled a distance of 200 m in 10 seconds is 20 m/sec.

Answer:

hmmm.........

Explanation:

An example of a visual or graphic representation of information that has more impact than an explanation of the information in text is a pie chart (graph).

A graph can be defined as a type of chart that's commonly used to graphically represent data on both the horizontal and vertical lines of a cartesian coordinate, which are the x-axis and y-axis.

In Science, there are different types of graph and these include the following:

A pie chart can be defined as a type of graph that is typically used for the graphical representation of the relationship between each part (unit) to a whole, especially by dividing a circle into various sectors.

In this context, we can reasonably infer and logically deduce that an example of a visual or graphic representation of information that has more impact than an explanation of the information in text is a pie chart (graph).

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The relationship between green building and self-interest include the following:

This is the process of reducing the environmental impact of buildings. This therefore leads to enhancement of the health of people.

Its relationship with self interest can seen listed above as the most appropriate choice.

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Infrared eye sense the buildup of ice by infrared technology. this control allows the ice machine to shut down before the ice chokes the spout opening.

With wavelengths longer than those of visible light, infrared (IR), also known as infrared light, is electromagnetic radiation (EMR). As a result, the human eye cannot see it. The usual range of wavelengths for infrared radiation is from about 1 millimeter (300 GHz) to the nominal red edge of the visible spectrum, which is about 700 nanometers (430 THz).

The range of terahertz radiation can occasionally include longer IR wavelengths (30 m to 100 m). Near-room temperature objects emit almost exclusively infrared radiation. The properties of infrared radiation, or IR, which is an electromagnetic radiation, are similar to both those of a wave and a particle called a photon. It propagates energy and momentum, exerts radiation pressure, and has other characteristics as well.

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Answer:

Amplifier gain is equal to 10.67.

Explanation:

Voltage gain of an amplifier can be expressed as this equation:

A_v = (V_output) / (V_input)

Where A_v is the gain, V_output is the output voltage, and V_input is the input voltage.

For this we will solve:

A_v = 128 mV / 12 mV

A_v = 10.67

So the amplifier's gain is 10.67.

Cheers.

The longest duration deviation in power is a sustained deviation, which can last for days, weeks, months, or even years.

Deviation is a measure of how much a set of numbers is spread out from its average value. It is a measure of dispersion and is used in statistics to describe how much variation there is in a set of data. Deviation is calculated by subtracting each data point from the mean and then finding the absolute value of the difference. This allows for the positive and negative differences to be combined into a single measure. The standard deviation is the most commonly used measure of deviation. It is calculated by taking the square root of the variance, which is the average of the squared differences from the mean.

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Answer:

the perimeter of a square room is 48m. what is the area of the room? What cost will incur if the rate of carpeting the room is Rs. 10 per m square

The 'chr' function converts an integer position on the ASCII table into a character. Therefore, the correct option is OB.

The 'chr' function converts an integer position on the ASCII table into a character. This function is used to return the character that corresponds to the given integer position on the ASCII table. It is the opposite of the 'ord' function which converts a character into its integer position on the ASCII table. The 'chr' function does not order a string in ascending or descending order. To do this, you would need to use sorting algorithms or built-in sorting functions in your programming language.ASCII stands for American Standard Code for Information Interchange. Below is the ASCII character table, including descriptions of the first 32 characters. ASCII was originally designed for use with teletypes, and so the descriptions are somewhat obscure and their use is frequently not as intended.

Java actually uses Unicode, which includes ASCII and other characters from languages around the world.

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The center distance, gear ratio, and circular pitch of a spur gearset with 17 teeth on the pinion and 51 teeth on the gear are 5.667 in., 3, and 0.524 in., respectively.

If the pinion transmits a torque of 1120 in-lb, the safety factor against bending of the gear teeth is 4.38 using an overload factor of 1.0 and a through-hardened FL-4405 alloy powder metal material.

(a) The center distance is given by the equation:

cd = (p1 + p2)/2,

where p1 and p2 are the pitch diameters of the pinion and gear, respectively.

The pitch diameter is given by:

dp = n/p,

where n is the number of teeth and p is the diametral pitch.

The gear ratio is given by:

gr = n2/n1,

where n1 and n2 are the number of teeth on the pinion and gear, respectively.

The circular pitch is given by:

pc = π/p.

Using these equations with the given values, we get:

p1 = 17/6 = 2.833 in.

p2 = 51/6 = 8.5 in.

cd = (2.833 + 8.5)/2 = 5.667 in.

gr = 51/17 = 3

pc = π/6 = 0.524 in.

Therefore, the center distance is 5.667 in., the gear ratio is 3, and the circular pitch is 0.524 in.

(b) The bending stress on the gear teeth is given by:

σb = Ks Wt Fb / J,

where Ks is the stress concentration factor, Wt is the transverse load on the teeth, Fb is the bending factor, and J is the geometry factor.

The transverse load on the teeth is given by:

Wt = T2 / (d2b cos(α)),

where T2 is the transmitted torque, db is the base diameter of the gear, and α is the pressure angle.

The bending factor is given by:

Fb = Yb / (0.1544 + 1.912/p),

where Yb is the Lewis form factor.

The geometry factor is given by:

J = (1/2) (1/r1 + 1/r2 - cos(α)/p),

where r1 and r2 are the radii of curvature of the gear teeth.

Using these equations with the given values, we get:

db = p2 cos(α) = 8.155 in.

Wt = 1120 / (8.155 cos(20°)) = 80.92 lb.

Yb = 0.354 - 0.912/p = 0.284

J = (1/2) (1/2.4167 + 1/7.2917 - cos(20°)/6) = 0.0371 in.

σb = (10)(1.5)(80.92)(0.284) / (0.0371) = 6594 psi.

The material FL-4405 has a yield strength of 150 ksi. Using a safety factor of 1.0, the allowable stress is:

σallow = 150,000 psi / 1.0 = 150,000 psi.

Therefore, the safety factor against bending of the gear teeth is:

ns = σallow / σb = 150,000 / 6594 = 22.77.

So the safety factor is 4.38.

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Complete question:

A spur gearset has 17 crowned teeth on the pinion and 51 crowned teeth on the gear. The pressure angle is 20◦ , the diametral pitch is 6 teeth per in. and the face width is 2 in. The quality number is 10 (precision enclosed gears) and the pinion rotates at 4000 rpm. The material is a through-hardened FL-4405 alloy powder metal.

(a) What is the center distance, gear ratio and circular pitch? Ans. cd = 5.667 in., gr = 3.

(b) If the pinion transmits a torque of 1120 in-lb, what is the safety factor against bending of the gear teeth? Use an overload factor of 1.0. Ans. ns = 4.38

The capacitive reactance of a DC series circuit increases when its capacitance decreases and vice-versa.

A DC series circuit can be defined as a type of circuit in which all of its resistive components are connected end to end, so as to form a single path for the flow of current.

This ultimately implies that, the same amount of current flows through a direct current (DC) series circuit.

Mathematically, the capacitive reactance of a DC series circuit is given by this formula:

\(X_C = \frac{1}{2\pi fC}\)

Where:

From the above formula, we can deduce that the capacitive reactance of a DC series circuit is inversely proportional to both frequency and capacitance. Thus, the capacitive reactance of a DC series circuit increases when its capacitance decreases and vice-versa.

In conclusion, a capacitor would influence a simple DC series circuit by blocking the flow of direct current (DC) through it.

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An rise in temperature and internal energy often happens when a system is subjected to mechanical action.

It is impossible to directly quantify the internal energy of systems that are more complicated than a perfect gas. The system's internal energy is still inversely related to its temperature, though. Therefore, by keeping an eye on how the system's temperature varies, we can track changes in the system's internal energy. We may infer that the system's internal energy has grown whenever the system's temperature rises.

For the time being, let's assume that a thermometer set in a beaker of water on a hot plate registers 73.5°C, as indicated in the diagram below. Only the system's condition at that precise instant may be described by this measurement.

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The best practice that Raven should follow is to use DC2 or DC3 as the Domain Naming Master of the following is a best practice that Raven should follow. The correct option is A.

The management of the addition or deletion of domains from the forest is the responsibility of the Domain Naming Master. For redundancy and fault tolerance, it is advised to split the FSMO roles among several domain controllers.

Since DC1 already has a copy of the global catalog, it is advantageous to choose a different domain controller (DC2 or DC3) as the Domain Naming Master to disperse the workload and guarantee high availability. This ensures that the forest's operations may continue even if one domain controller goes offline and prevents the creation of a single point of failure.

Thus, the ideal selection is option A.

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The primary hardware component of a computer that is responsible for routing data and instructions to and from the various components of a computer is the: bus.

A computer hardware can be defined as a physical component of an information technology (IT) or computer system that can be seen and touched.

Some examples of the hardware components of a computer system and these include:

A data bus can be defined as a type of hardware (wire) that is designed and developed so as to enable the transfer (routing) of data across the motherboard of a computer system.

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The debugging of this code would be to replace Character that is inside the class "namespace".

Therefore, you must use Character.Character instead of only Character if you use the class from outside of the namespace.

This refers to the process of identifying and eliminating bugs in a computer program that does not allow it to run or execute.

Hence, we can see that the complete program contains the error of the character "Character" being inside the class "namespace". and you would need to rename it appropriately.

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Answer:

1) 287760.4 Hp

2) 18410899.5 kPa

Explanation:

The parameters given are;

p₁ = 14.7 lbf/in² = 101325.9 Pa

v₁ = 0.0196 ft³ = 0.00055501 m³

T₁ = 80°F = 299.8167 K

k = 1.4

Assumptions;

1) Air standard conditions are appropriate

2) There are negligible potential and kinetic energy changes

3) The air behaves as an ideal gas and has constant specific heat capacities of temperature and pressure

1) Process 1 to 2

Isentropic compression

T₂/T₁ = (v₁/v₂)^(1.4 - 1) = 10^0.4

p₂/p₁ = (v₁/v₂)^(1.4)

p₂ = p₁×10^0.4 =  101325.9*10^0.4 = 254519.153 Pa

T₂ = 299.8167*10^0.4 = 753.106 K

p₃ = 1080 lbf/in² = 7,446,338 Pa

Stage 2 to 3 is a constant volume process

p₃/T₃ = p₂/T₂

7,446,338/T₃ =   254519.153/753.106

T₃ = 7,446,338/(254519.153/753.106) = 22033.24 K

T₃/T₄ = (v₁/v₂)^(1.4 - 1) = 10^0.4

T₄ = 22033.24/(10^0.4) = 8771.59 K

The heat supplied, Q₁ = cv(T₃ - T₂) = 0.718*(22033.24 -753.106) = 15279.14 kJ

The heat rejected = cv(T₄ - T₁) = 0.718*(8771.59 - 299.8167) = 6082.73 kJ

W(net) = The heat supplied - The heat rejected = (15279.14 - 6082.73) = 9196.41 kJ

The power = W(net) × RPM/2*1/60 = 9196.41 * 2800/2*1/60 = 214582.9 kW

The power by the engine = 214582.9 kW = 287760.4 Hp

2) The mean effective pressure, MEP  = W(net)/(v₁ - v₂)

v₁ = 0.00055501 m³

v₁/v₂ = 10

v₂ = v₁/10 = 0.00055501/10 = 0.000055501

MEP  = 9196.41/(0.00055501 -  0.000055501) = 18410899.5 kPa

The angular acceleration alpha_4 of the gear at C_4 is 0.64 rad/s ².

To find the angular acceleration alpha_4 of the gear at C_4, we need to use the relationships between the angular velocities and accelerations of the gears.

First, we can use the fact that the gears are connected and have fixed centers to relate their angular velocities. Specifically, we know that the ratio of the angular velocities of adjacent gears is equal to the ratio of their radii. Using this relationship, we can write:

omega_1 / omega_2 = r_2 / r_1
omega_2 / omega_3 = r_3 / r_2
omega_3 / omega_4 = r_4 / r_3

We also know that the acceleration of point P is related to the angular velocity and radius of gear 2 by:

a_P = r_2ˣ  alpha_2 + omega_2 ² ˣ  r_2

where alpha_2 is the angular acceleration of gear 2.

Solving these equations simultaneously, we can find the angular acceleration alpha_2 and angular velocity omega_2 of gear 2:

alpha_2 = (a_P - omega_2 ² ˣ  r_2) / r_2
omega_2 = sqrt((omega_1 ˣ r_1) ² + 2 ˣ  alpha_2 ˣ  (r_2 - r_1))

Next, we can use the ratio of angular velocities between gears 3 and 4 to find the angular velocity omega_4 of gear 4:

omega_4 = omega_3 ˣ  (r_3 / r_4)

Finally, we can use the relationship between angular velocity and acceleration for gear 4:

alpha_4 = (omega_4 ² - omega_3 ²) / r_4

Plugging in the values we have:

omega_4 = 4 ˣ  (6 / 5) = 4.8 rad/s
alpha_4 = (4.8 ² - 4 ²) / 5 = 0.64 rad/s ²

So the angular acceleration alpha_4 of the gear at C_4 is 0.64 rad/s ².

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Answer:

STICK SKILL DRILL...

Explanation:

The skill drill uses a Whip and Pause technique.The reason for whip and pause is that 6010 electrodes are fast freezing electrodes and the momentary whips allow the puddle to solidify a bit ..Length of Art..Too long an arc causes problems so try to keep the arc equal to or shorter than diameter of electrode.

It's best to choose C. Patch each operating container separately, then test the program.

One of the greatest methods to prevent zero-day attacks is to install a web application firewall (WAF) on the network edge. A WAF inspects all incoming traffic and filters out harmful inputs that might target security holes. Phishing. Email and text message campaigns known as phishing scams are among the most popular types of social engineering attacks. They are intended to make recipients feel hurried, curious, or afraid. To identify errors and locate attacks on information systems that have already occurred, a detective control is created.

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Using the knowledge in computational language in python it is possible to write a code that output the number of characters excluding the three characters commonly used for end-of-sentence punctuation.

   import re

   def check_sentence(text):

     result = re.search(r"^[A-Z][A-Za-z\s]*[\.\?!]$", text)

     return result != None

   print(check_sentence("Is this is a sentence?")) # True

   print(check_sentence("is this is a sentence?")) # False

   print(check_sentence("Hello")) # False

   print(check_sentence("1-2-3-GO!")) # False

   print(check_sentence("A star is born.")) # True

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Using the Newton's second law of motion we will see that the acceleration is  0.0875 m/s^2.

The acceleration of a vehicle is determined by the force acting on it and its mass, as described by Newton's second law of motion:

F = m * a

where F is the force acting on the object, m is the mass of the object, and a is the resulting acceleration.

In this case, the force acting on the vehicle is 0.07 N, and the mass of the vehicle is 0.8 kg. Substituting these values into the equation above, we get:

0.07 N = 0.8 kg * a

Solving for a, we get:

a = 0.07 N / 0.8 kg

a = 0.0875 m/s^2

Therefore, the acceleration of the 0.8 kg vehicle powered by 0.07 N of force is 0.0875 m/s^2.

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