please need answer asap
5 5. An aircraft is moving steadily in the air at a velocity of 330 m/s. Determine the speed of sound and Mach number at (a) 300 K (4 marks) (b) 800 K. (4 marks)

Answers

Answer 1

The speed of sound can be calculated using the equation v = √(γRT), where v is the speed of sound, γ is the adiabatic index (1.4 for air), R is the gas constant (approximately 287 J/kg*K), and T is the temperature in Kelvin.

(a) At 300 K, the speed of sound can be calculated as v = √(1.4 * 287 * 300) = 346.6 m/s. To find the Mach number, we divide the velocity of the aircraft (330 m/s) by the speed of sound: Mach number = 330/346.6 ≈ 0.951.

(b) At 800 K, the speed of sound can be calculated as v = √(1.4 * 287 * 800) = 464.7 m/s. The Mach number is obtained by dividing the velocity of the aircraft (330 m/s) by the speed of sound: Mach number = 330/464.7 ≈ 0.709.

The speed of sound can be calculated using the equation v = √(γRT), where v is the speed of sound, γ is the adiabatic index (1.4 for air), R is the gas constant (approximately 287 J/kg*K), and T is the temperature in Kelvin. For part (a), at a temperature of 300 K, substituting the values into the equation gives v = √(1.4 * 287 * 300) = 346.6 m/s. To find the Mach number, which represents the ratio of the aircraft's velocity to the speed of sound, we divide the given velocity of the aircraft (330 m/s) by the speed of sound: Mach number = 330/346.6 ≈ 0.951. For part (b), at a temperature of 800 K, substituting the values into the equation gives v = √(1.4 * 287 * 800) = 464.7 m/s. The Mach number is obtained by dividing the given velocity of the aircraft (330 m/s) by the speed of sound: Mach number = 330/464.7 ≈ 0.709.

Learn more about Mach number here

brainly.com/question/29538118

#SPJ11


Related Questions

8. Write and execute a query that will delete all countries that are not assigned to an office or a client. You must do this in a single query to receive credit for this question. Write the delete query below and then execute the following statement in SQL Server: Select * from Countries. Take a screenshot of your select query results and paste them below your delete query that you constructed.

Answers

The Countries which are not assigned any Office means that the values are Null or Blank:

I created a table:

my sql> select*from Country; + | Country Name | Office | - + | Yes | NULL | Yes | Croatia | Argentina Sweden Brazil Sweden | Au

Here in this table there is Country Name and a Office Column where it is Yes, Null and Blank.

So, we need to delete the Blank and Null values as these means that there are no office assigned to those countries.

The SQL statement:

We will use the delete function,

delete from Country selects the Country table.

where Office is Null or Office = ' ' ,checks for values in Office column which are Null or Blank and deletes it.

Code:

mysql> delete from Country     -> where Office is Null or Office = ''; Query OK, 3 rows affected (0.01 sec)

Code Image:

mysql> delete from Country -> where Office is Null or Office Query OK, 3 rows affected (0.01 sec) =

Output:

mysql> select*from Country; + | Country Name | Office | + | Croatia Sweden Sweden | India | Yes | Yes Yes | Yes + 4 rows in s

You can see that all the countries with Null and Blank values are deleted

Prove that a Schmitt oscillator trigger can work as a VCO.

Answers

Step 1:

A Schmitt oscillator trigger can work as a VCO (Voltage Controlled Oscillator).

Step 2:

A Schmitt oscillator trigger, also known as a Schmitt trigger, is a circuit that converts an input signal with varying voltage levels into a digital output with well-defined high and low voltage levels. It is commonly used for signal conditioning and noise filtering purposes. On the other hand, a Voltage Controlled Oscillator (VCO) is a circuit that generates an output signal with a frequency that is directly proportional to the input voltage applied to it.

By incorporating a voltage control mechanism into the Schmitt trigger circuit, it can be transformed into a VCO. This can be achieved by introducing a variable voltage input to the reference voltage level of the Schmitt trigger. As the input voltage changes, it will cause the switching thresholds of the Schmitt trigger to vary, resulting in a change in the output frequency.

The VCO functionality of the modified Schmitt trigger circuit allows it to generate a continuous output signal with a frequency that can be controlled by the applied voltage. This makes it suitable for various applications such as frequency modulation, clock generation, and signal synthesis.

Step 3:

Learn more about : frequency

Describe frequency, relative frequency, and cumulative relative frequency.

#SPJ11

QUESTION 1 Which of the followings is true? Narrowband FM is considered to be identical to AM except O A. their bandwidth. O B. a finite and likely large phase deviation. O C. an infinite phase deviation. O D. a finite and likely small phase deviation.

Answers

Narrowband FM is considered to be identical to AM except in their bandwidth. In narrowband FM, a finite and likely small phase deviation is present. It is the modulation method in which the frequency of the carrier wave is varied slightly to transmit the information signal.

Narrowband FM is an FM transmission method with a smaller bandwidth than wideband FM, which is a more common approach. Narrowband FM is quite similar to AM, but the key difference lies in the modulation of the carrier wave's amplitude in AM and the modulation of the carrier wave's frequency in Narrowband FM.

The carrier signal in Narrowband FM is modulated by a small frequency deviation, which is inversely proportional to the carrier frequency and directly proportional to the modulation frequency. Therefore, Narrowband FM is identical to AM in every respect except the bandwidth of the modulating signal.

When the modulating signal is a simple sine wave, the carrier wave frequency deviates up and down about its unmodulated frequency. The deviation of the frequency is proportional to the amplitude of the modulating signal, which produces sidebands whose frequency is equal to the carrier frequency plus or minus the modulating signal frequency. 

To know more about modulation visit:

https://brainly.com/question/28520208

#SPJ11

A cylinder with a movable piston contains 5.00 liters of a gas at 30°C and 5.00 bar. The piston is slowly moved to compress the gas to 8.80bar. (a) Considering the system to be the gas in the cylinder and neglecting ΔEp, write and simplify the closed-system energy balance. Do not assume that the process is isothermal in this part. (b) Suppose now that the process is carried out isothermally, and the compression work done on the gas equals 7.65L bar. If the gas is ideal so that ^ U is a function only of T, how much heat (in joules) is transferred to or from (state which) thes urroundings? (Use the gas-constant table in the back of the book to determine the factor needed to convert Lbar to joules.)(c) Suppose instead that the process is adiabatic and that ^ U increases as T increases. Is the nal system temperature greater than, equal to, or less than 30°C? (Briey state your reasoning.)

Answers

A cylinder with a movable piston contains 5.00 liters of a gas at 30°C and 5.00 bar. The piston is slowly moved to compress the gas to 8.80bar.

(a) The closed-system energy balance can be written as follows:ΔU = Q − W, where ΔU is the change in internal energy, Q is the heat transferred to the system, and W is the work done by the system. Neglecting ΔEp, the work done by the system is given by W = PΔV, where P is the pressure and ΔV is the change in volume. Therefore, ΔU = Q − PΔV.

(b) Since the process is carried out isothermally, the temperature remains constant at 30°C. Therefore, ΔU = 0. The work done by the system is

W = −7.65 L bar, since the compression work is done on the gas. Using the gas constant table, we find that 1 L bar = 100 J. Therefore, the work done by the system is

W = −7.65 L bar × 100 J/L bar = −765 J. Since

ΔU = 0, we have Q = W = −765 J. The heat is transferred from the system to the surroundings.

(c) Since the process is adiabatic, Q = 0. Therefore, the closed-system energy balance simplifies to ΔU = −W. Since the gas is ideal and ^ U is a function only of T, the change in internal energy can be written as ΔU = (3/2)nRΔT, where n is the number of moles of gas, R is the gas constant, and ΔT is the change in temperature. Since ^ U increases as T increases, we have ΔU > 0. Therefore, ΔT > 0, and the final system temperature is greater than 30°C.

Learn more about closed-system among others here: https://brainly.com/question/2846657

#SPJ11

Develop a minimum-multiplier realization of a length-7 Type 3 Linear Phase FIR Filter.

Answers

A minimum-multiplier realization of a length-7 Type 3 Linear Phase FIR Filter can be developed.

To develop a minimum-multiplier realization of a length-7 Type 3 Linear Phase FIR Filter, we need to understand the key components and design considerations involved. A Type 3 Linear Phase FIR Filter is characterized by its linear phase response, which means that all frequency components of the input signal experience the same constant delay. The minimum-multiplier realization aims to minimize the number of multipliers required in the filter implementation, leading to a more efficient design.

In this case, we have a length-7 filter, which implies that the filter has 7 taps or coefficients. Each tap represents a specific weight or gain applied to a delayed version of the input signal. To achieve a minimum-multiplier realization, we can exploit the symmetry properties of the filter coefficients.

By carefully analyzing the symmetry properties, we can design a structure that reduces the number of required multipliers. For a length-7 Type 3 Linear Phase FIR Filter, the minimum-multiplier realization can be achieved by utilizing symmetric and anti-symmetric coefficients. The symmetric coefficients have the same value at equal distances from the center tap, while the anti-symmetric coefficients have opposite values at equal distances from the center tap.

By taking advantage of these symmetries, we can effectively reduce the number of multipliers needed to implement the filter. This results in a more efficient and resource-friendly design.

Learn more about multiplier

brainly.com/question/31406180

#SPJ11

Other Questions
consider a market in which the equilibrium price for a quart of orange juice is $3. in order to show support for its orange producers, the government imposes a minimum price $2.50. what would be the expected impact on the market for orange juice? Consider the function f(x,y)=x 42x 2y+y 2+9 and the point P(2,2). a. Find the unit vectors that give the direction of steepest ascent and steepest descent at P. b. Find a vector that points in a direction of no change in the function at P. a. What is the unit vector in the direction of steepest ascent at P ? (Type exact answers, using radicals as needed.) you should always wash your glasses well and make sure they are free from grease and detergent because why? group of answer choices grease and detergent kill the foam because of their hydrophobic/hydrophilic interactions they cause a haze in the beer their taste is amplified because of the chemical interactions with the alcohol in beer they cause disproportionation between the foam bubbles What is the wavelength of the light emitted by atomic Hydrogen according to Balmer's formula with m = 3 and n = 8? A) 389nm B)955nm C)384nm D)1950 QUESTION 39 What do CDKs that are activated just before the end of G2 do to initiate the next phase of the cell cycle? a. They act as proteases to degrade proteins that inhibit mitosis b. They phosphorylate lipids needed for the cell to enter mitosis c. They ubiquitinate substrates needed for the cell to enter mitosis d. They phosphorylate substrates needed for the cell to enter mitosis e. They de-phosphorylate substrates needed for the cell to enter mitosis QUESTION 40 What has happened to your telomeres since you began taking Cell Biology? a. they are the same length in all of my cells b. they have gotten shorter in my cells. c. my cells don't have telomeres; they are only present in embryonic stem cells. d. they have gotten longer in my senescing cells e. they have gotten longer in my necrotic cells 1/4 0f the students at international are in the blue house. the vote went as follows: fractions 1/5,for adam, 1/4 franklin, The table displays the frequency of scores for one Calculus class on the Advanced Placement Calculus exam. The mean of the exam scores is 3.5 . a. What is the value of f in the table? At Inner City Health Care, clinical medical assistant Gwen Carr, CMA (AAMA), performs many laboratory tests, is always mindful of her legal scope of practice, and performs only those laboratory test that are within the CLIA-waived category. As Gwen interacts with patients to obtain laboratory specimens, she uses her best communication skills to make sure they understand her instructions, are comfortable with the laboratory tests, and always maintains professional boundaries.Gwen is also very careful when working with laboratory equipment and specimens, using precautions to assure her own safety and the safety of her patients, coworkers, and the public.1.) Besides learning more about microscopic examinations and continuing her education, what benefit does Gwen obtain by putting forth this extra effort?2.) Do you think Dr.Reynolds will appreciate her extra effort?Case Study 25-2 (pg.917)Marie Tyndall is a student in the Jackson Heights Community College Medical Assisting Program. She and two classmates have been assigned the project of creating a plan for cleaning up spills that might occur in the classroom laboratory and ensuring that all students using the laboratory have been trained in the proper procedure.1.) What materials would her group need?2.) How would her group go about learning the proper steps in the cleanup process?3.) How would her group ensure that all other students in the laboratory also have the proper training? Use the Terms & Names list to identify each sentence online or on your own paper.A. vaqueroB. vigilanteC. buffalo soldierD. Sitting BullE. frontierF. long driveG. ExodusterH. sodbusterI. Dawes ActJ. vaqueroK. standard timeL. George A. CusterM. Homestead ActI was given this nickname by Native Americans in the West. Which computer-based information system summarizes the detailed data of the transaction processing system in standard reports for middle-level managers 8. the function h is given by 2 h x( ) = log2 ( x 2). for what positive value of x does h x( ) = 3 ? (ii) a skateboarder, with an initial speed of 2.0 ms, rolls virtually friction free down a straight incline of length 18 m in 3.3 s. at what angle u is the incline oriented above the horizontal? A chain saw requires 2 hours of assembly and a wood chipper 6 hours. A maximum of 24 hours of assembly time is available. The profit is $150 on a chain saw and $240 on a chipper. How many of each should be assembled for maximum profit? To attain the maximum profit, assemble....... chain saws and ............wood chippers. b) Use a Riamann sum with five subliotervals of equal length ( A=5 ) to approximate the area (in square units) of R. Choose the represectotive points to be the right endpoints of the sibbintervals. square units. (c) Repeat part (b) with ten subinteivals of equal length (A=10). Kasate unicr f(x)=122x cansome one help me with this qoustionLet \( f(x)=8 x-2, g(x)=3 x-8 \), find the following: (1) \( (f+g)(x)= \) , and its domain is (2) \( (f-g)(x)= \) , and its domain is (3) \( (f g)(x)= \) , and its domain is (4) \( \left(\frac{f}{g}\r a red cross helicopter takes off from headquarters and flies 110 km in the direction 255 from north. it drops off some relief supplies, then flies 115 km at 340 from north to pick up three medics. if the helicoper then heads directly back to headquarters, find the distance and direction (rounded to one decimal place) it should fly. Determine the radius of convergence for the series below. n=0[infinity]4(n9)(x+9) nProvide your answer below: R= Problem 3 For which values of \( h \) is the vector \[ \left[\begin{array}{r} 4 \\ h \\ -3 \\ 7 \end{array}\right] \text { in } \operatorname{Span}\left\{\left[\begin{array}{r} -3 \\ 2 \\ 4 \\ 6 \end{ A set of data with a mean of 39 and a standard deviation of 6.2 is normally distributed. Find each value, given its distance from the mean.+1 standard deviation According to the no arbitrage condition, what must be the price of a 100 face value zero coupon bond that matures on nyu graduation day?