17 & 18 What is the speed of sound in air when the air temperature is 31 degC?0.035 km/s3.5 km/s35 km/sO 0.35 km/sA wire under tension vibrates with a fundamental frequency of 256HZ.What would be the fundamental frequency if the wire were half as long,twice as thick, and under 1/4 the tension? *1280 Hz1.28 HzO 12.8 Hz128 Hz

Answered: What is the speed of sound in air when…

Engineering

Electrical Engineering

What is the speed of sound in air when the air temperature is 31 degC?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Q: When signals of different frequencies were applied to the vertical input termi- nals of…

A: We have been given three different signals that were applied to the vertical terminals of the…

Q: Oscilloscope Name 1 Time Per Division 1 ms 10.0 V

A: 1st graph is for exponential rising graph which obtains a stable values as time increases

Q: The standing wave on a transmission line is caused by: Select one: O a. The interference between…

A: Standing wave is generated when two wave of same nature meets travelling opposite direction. So V+…

Q: A beam of Visible light with a frequency of 5.0E+14 Hz and intensity of 0.0081 W strikes a solar…

A: Since from the plancks relationship We know that Energy of photon E=hf here h is plancks constant…

Q: Find out the electric field strength at 60 km away from a transmitting station of 35 kW power.

A: Electric field strength will be :

Q: Quiz (1) A projectile is fired with an initial velocity of va = 150 m/s off the roof of the…

Q: The wavelength difference between two light sources is 12.5 nm. What will be the frequency…

Q: What is the decibel level of a whisper with intensity of 10 watts per sq. in.?

Q: Find out the electric field strength at 120 km away from a transmitting antenna. The antenna is…

A: The power density of the antenna is given by the formula as

Q: What wave features do radio towers change to transmit information? (Select the two correct answers.)…

A: consider the given question;

Q: A musical note on a piano has a frequency of 31 Hz. If the tension in the 2-m string is 308 N, and…

A: According to the question we have to calculate the value of mass of the wire.

Q: In case of an acoustic wave (sound) as information signal the transmission channel should be the…

A: The most usual medium of sound transmission is air, but any substance that can be compressed can act…

Q: H.W: Determine the height of an antenna that must be able to reach antenna at 1.5 m height up to 80…

A: Given Height of the receiving antenna Hr=1.5 mDistance d=80 km=80000 mAssume radius of the earth is…

Q: A car antenna 1m in the AM frequency band of 1.5 MHZ. How much current is required to transmit 4W of…

A: Modulation is process by which some properties of carrier signal is varied according to modulating…

Q: A microwave oven operates at ............. GHz frequency

A: As name suggests micro wave operares at microwave frequency i.e. 1GHZ to 1000GHZ

Q: If a microwave beam is having a power density of 100 W/m2 then find the magnitudes of peak electric…

A: The peak electric field E can be computed fro the power density P using the following formula:

Q: If the electron density of the ionosphere is 2.11x1011/m3, then what will be critical frequency?

Q: Find out the field strength of 60 km away from a transmitting station of 35 kW power.

A: The transmitting power by a transmitting station is P=35 kW=35×103 W. The field strength at r=60 km…

Q: Question 19 What is the wavelength of a carrier wave with a frequency of 3GHz? 2m 0.01m 0.1m 0.25m

Q: A train 1.0 km away sounded its horn the same time the steel track carried the "sound" vibration.…

A: Speed of sound in air at 20oC is 343 m/s Speed of sound in steel at 20oC is 5200m/s. Time taken by…

Q: What would be the depth of penetration for copper at 1 MHz frequency with o = 5.8 x 10/? 29.56 um…

Q: In case of an electromagnetic wave as information signal the transmission channel should be the air…

A: Choose the correct option The given Statment In case of an electromagnetic wave as information…

Q: An AM transmitter is rated 1 kW at 100 % modulation. What must be its rating at no modulation?

A: The solution can be achieved as follows.

Q: Determine the amplitude of the carrier when mf = 1.5 for a total voltage of 8 V.

Q: Quantitative Analysis Figure 1: Monthly returns ACF Do the returns look like white noise? Explain

A: Given the graph of an auto-correlation function as shown below: We need to explain whether the…

Q: Calculate the noise voltage output of a 1MΩ resistor at 27 °C over a 1MHz frequency range.…

A: Given: Resistance, R=1 MΩ Temperature, T=27°C=27+273=300K Bandwidth, B=1 MHz

Q: 7. Determine the wavelength of light emitted by a certain material with Eg=1.2

A: We need to find out wavelength for given Eg .

Q: Q3;Find the sound level in decibels of sound wave that have an intensity of 10 w/m.

Q: Calculate the skin depth (in microns) for bronze ( = frequency f= 100 MHz $) a S.) m 107 S at a

A: Given data, For bronze Conductivity, σ=107 S/m Frequency, f=100 MHz

Q: Determine the amplitude of the carrier when mf = 1.5 for a total voltage of 8 V.

Q: Which of the following is an EM wave? A. aquatic B. heat C. sound D. seismic…

A: An electromagnetic wave travels in the form of the oscillations of the magnetic and electrical…

Q: Q2- When the distance between a target and the radar antenna is doubled then the received power will…

A: The formula for receiver power is given as, Pe=Pr4πR2Aw Where Pe-receiving power Pr-reflected power…

Q: Problem - 2: A radio station has two antennas which are used to broadcast their 582 KHz radio wave…

A: It is given that: d=13.78 kmf=582 KHz

Q: Angle of depression is the angle formed by the horizontal line of the observer’s line of sight to an…

A: In this question we need to verify the given statement is true or false.

Q: List the major types of external and internal noise and explain how each interferres with signals…

A: We are authorized to answer one question at a time. Since you have not mentioned which question…

Q: Ultrasonic sensors detect the level of a medium by measuring the time lapse between the and of the…

A: Ultrasonic sensor: It uses ultrasonic sound waves to measure the distance to an object. An…

Q: AQ2. Calculate I. 12 x 10 the wavelength of signals if. cycles are passing through a point within a…

A: Given, In a signal, 12×109 cycles are passing through a point in a minute.

Q: Audible emissions can be reduced by employing DC transmission as it reduces the at the conductor…

A: Fill the blank Audible emissions can be reduce by employing DC transmission as it reduced the…

Q: Arrange the following measurements in descending order: 1000 Hz, .00001 THz, 10 GHz, .01 MHz,…

Q: if time period of a (square wave) is equal to *: (0.25 sec) ;then Ton = 0.125 Ton = 0.25 sec Ton not…

Q: What is the speed of a sound wave if the if it has a wavelength of 0.5 m and a frequency of 660 Hz?…

A: The mechanical vibration arises in the form of sound and propagates in the solid, liquid, and…

Q: An AM transmitter operating at a carrier frequency of 1 MHz and a modulating frequency of 5 kHz and…

Q: The frequency of a signal is 10 Hz. What is its period in milliseconds?

Q: Determine the remaining intensity of the light leaving through 8.3Km optical fiber if the…

A: Attenuation in optical fiber: Attenuation is defined as power loss in transmitting the wave from the…

Q: Mechanical waves are created when a source of energy causes a medium to expand compress vibrate move

A: We need to select correct option for mechanical wave.

Q: Find out the electric field strength at 90 km away from a transmitting antenna station of 50 kW…

A: Given that, the transmitting antenna station of 50 kW power is away from a point at 90 km. That is,

Q: Question 17 Find the wave length of a carrier wave with frequency of 20 MHz. 35m 45m 25m 15m

A: Given: Frequency, f=20MHzSpeed of light, c=3×108 m/s

Q: An AM transmitter has a carrier power of 100W at a frequency of 3 MHz. It is modulated at 75% by a 1…

Q: Introduction to Optics; A certain sensitive radar receiver detects an electromagnetic signal of…

A: “Since you have asked multiple question and are not related to each other, we will solve the first…

Q: If a stove top burner is at 468°F, determine the peak frequency it emits.

A: It is given that: T=468°F

Question

17 & 18

What is the speed of sound in air when the air temperature is 31 degC?
0.035 km/s
3.5 km/s
35 km/s
O 0.35 km/s
A wire under tension vibrates with a fundamental frequency of 256HZ.
What would be the fundamental frequency if the wire were half as long,
twice as thick, and under 1/4 the tension? *
1280 Hz
1.28 Hz
O 12.8 Hz
128 Hz

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Infinite Impulse Response (IIR) and Finite Impulse Response (FIR) Filter

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Do the following problems on paper. Scan or photograph your work and submit. If one loudspeaker produces a sound pressure level of 78 dB at a distance of 3 m, and another produces a level of 82 dB at the same distance, what would be the total sound pressure level from both? Please use the equation for this problem, not the shortcut. 31.5 Hz 63 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz 78 dB 67 dB 65 dB 56 dB 48 dB 40 dB 37 dB 36 dB 25 dB
In figure 1.35 if fc = fs = 8kHz, sketch the spectrum of the signal y(t) for 0 ≤ f ≤ 8 kHz. Briefly point out the possible problems or limitations for processing x(t), if any.
The left end of a taut string of length L, is connected to a vibrator with a fixed frequency f. The right end of the string is tied to a suspended object of varying mass, m, through a pulley. For a mass m1 of the object, a standing wave with one loop is observed. For a mass m2 of the object, a standing wave with four loops is observed. What is the ratio "m2 / m1 = ?"
electromagnetic theory which is not the basic quantity? a) Timeb) Speedc) Massd) Temperature
Choose the correct answer. 1. A fluxgate magnetometer allows a robot to locate itself on the basis of a. body capacitance with nearby objects b. the orientations of external magnetic fields c. the phase relationships among multiple ultrasonic beacon signals d. optical delays to and from stationary reflectors 2.Which of the following devices is not an electromechanical transducer? a. An electric motor b. An electric generator c. A selsyn d. A fluxgate magnetometer 3. At low radio frequencies, an RDF system typically employs a. a Yagi antenna b. a small loop or loopstick antenna c. a dish antenna d. a half-wave dipole antenna
A piano wire with a mass of 2.75 g and a length of 85 cm is stretched with a tension of 30 N. A wave with frequency 135 Hz and amplitude 1.8 mm travels along the wire. Calculate the average power carried by the wave.
If two ultrasonic transducers are separated (along the length of the pipe and on the same side of the pipe) by 48 inces inches, in a water pipe, what is the transit time of the pulse if the velocity of sound in water is 4500 fps. The flow in the pipe is 15 ft/sec. 214.3 µS 891.9 µS 209.9 µS 885.9 µS 888.9 µS
Please write introduction four-line and conclusion two-line . for lab report about: (Fundamentals of AC and Signal generation using Oscilloscope) Note: please don't copy from internet write by your self Without cheating percentage.
1- Think of three electrical appliances that are used at home. What kind of waves are produced in these electrical appliances? 2- Have you ever built a telephone with two glasses and a thread? Build one and explain how waves are presented in this apparatus. 3- How do you consider that the study of waves has allowed the technological development of society? 4- Bats use ultrasound waves to see. How has science used this concept to create technological gadgets?
Q. (a)Two nicols are first crossed and then one of them is rotated through 600. Calculate the percentage of incident light transmitted. Q. (b)Two nicols are oriented with their principal plane making an angle of 600.What percentage of incident unpolarized light will pass through the system? Q.The signal retrieved in an optical fiber reduces at its output to one-tenth of its input power. What is the overall attenuation? What shall be the power at output in a fiber having loss3 db/km?
can you please just tell the correct answer?(I do not want the solution.)A modulating signal m(t)=10cos(2π×103t)m(t)=10cos⁡(2π×103t) is amplitude modulated with a carrier signal c(t)=50cos(2π×105t)c(t)=50cos⁡(2π×105t). Find the power required for transmitting AM wave. a)1275w b)1300w c)1325w
What is the height of a communications antenna required to cover a distance of 100km if it operates on 6GHz frequency? a. 588 m b. 125 m c. 250 m d. 100 m Plz do ASAP.....!