Sketch & explain how a loudspeaker is constructed. Estimate how many times each second the cone...
Sketch & explain how a loudspeaker is constructed.
Estimate how many times each second the cone must move to produce the musical note “A” (440 Hz).
What makes the cone move?
Homework Answers
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Sketch & explain how a loudspeaker is constructed.
Estimate how many times each second the cone...
JAVA Program! Write a program that makes use of threading. You will have one thread count how many times a second has p...
JAVA Program!
Write a program that makes use of threading. You will have one thread count how many times a second has passed and the second thread will count how many times 3 seconds has passed This will occur in an infinite loop and the counts will be printed to the screen. Indent the count of one of the threads for easier viewing
Write a program that makes use of threading. You will have one thread count how many times...
Can I please het some help on this question? Write clearly and show your work for...
Can I please het some help on this question?
Write clearly and show your work for all problems. Not all problems will be graded in detail 1) You've been hired by Fender Musical Instruments Corporations to put your physics knowledge to work Unfortunately their previous physics employee lost all their records, so you need to do everything from scratch. Background you will need: When you play a guitar string, the musical note you hear is primarily caused by the string...
Q1: a) Describe how a galvanic cell works and include a fully labelled sketch. Explain clearly...
Q1: a) Describe how a galvanic cell works and include a fully labelled sketch. Explain clearly what is occurring in each ‘side’. b) You add Mg to a beaker containing HCl(aq) and a gas is produced. Explain, chemically, what is happening and write a balanced equation for the reaction, including how many electrons are transferred. How could you harness the reaction to do useful work? c) The equation ΔGo = -nFEo is also applicable to half-reactions. Using standard reduction potentials,...
Q1. (a) Explain how the zeroth-order, first-order, and second-order spectra are produced by the d...
Q1. (a) Explain how the zeroth-order, first-order, and second-order spectra are produced by the diffraction How many wavelengths are contained in the path- (b) Explain how the different colored spectral lines are formed at higher order and not at zeroth- your reasoning. Note: lasers should NEVER be grating (state the determining conditions). Discuss the path-length differences in terms of the wavelength, λ, and the order number, m. length difference between the first and third orders? Draw a sketch to aid...
Estimate how many people can stand next to each other in the area of Los Angeles...
Estimate how many people can stand next to each other in the area of Los Angeles County (10,570 km2)? (Explain your reasoning for each step to receive full credit)
Explain what the following program does. How many times is the bne instruction executed? Assuming that...
Explain what the following program does. How many times is the bne instruction executed? Assuming that the addi instruction is at address 4000 (decimal), show the addresses of all the instructions. Show the machine language representation of the j L2 instruction (machine language means showing the 32 bits that represent the instruction, but here it is sufficient to type of the instruction, the fields of the instruction and the value of each field decimal).
a. How many decibels is a tone with pressu th pressure P = 0.027 b. How...
a. How many decibels is a tone with pressu th pressure P = 0.027 b. How many decibels is at wice Prerfi.e. P = 0.0004)? c. What is the pressure P of a 30 dB toner d. The threshold for pain is 150 dB. What is the ex tones (that are composed of many harmonics), corresponds to the pitch of the fundamental frequenc series). The set of harmonics can sound dB. What is the corresponding pressure P? re composed of...
A weightlifter curls a 35 bar, raising it each time a distance of 0.70 . How many times must he repeat this e...
A weightlifter curls a 35 bar, raising it each time a distance of 0.70 . How many times must he repeat this exercise to burn off the energy in one slice of pizza? Assume 25% efficiency. 1 slice of pizza = 300C = 1260kJ Express your answer using two significant figures.
How many moles of each element are present in 1.4 moles of C3H3N? Explain how you...
How many moles of each element are present in 1.4 moles of C3H3N? Explain how you got your answer. Explain what type of reaction this is: Zn --> Zn2+ + 2e- Although not indicated here, what phase do you expect this to occur in usually? Explain what is happening in the reaction.
During one shift, the express lane clerk recorded how many times customers Volated the 10 items...
During one shift, the express lane clerk recorded how many times customers Volated the 10 items or less rule for his lane. In particular, he recorded how many items over the limit each violator placed on the conveyor belt. This data is surrared in the histogram below. NOTE: The last class actually represents 7 or more items, not just 7 items. 107 8+ Frequency 1.5 6.5 0.5 7.5 2.5 1.5 4.5 5.5 #its over 10 What is the frequency of...
JAVA Program!
Write a program that makes use of threading. You will have one thread count how many times a second has passed and the second thread will count how many times 3 seconds has passed This will occur in an infinite loop and the counts will be printed to the screen. Indent the count of one of the threads for easier viewing
Write a program that makes use of threading. You will have one thread count how many times...
Can I please het some help on this question?
Write clearly and show your work for all problems. Not all problems will be graded in detail 1) You've been hired by Fender Musical Instruments Corporations to put your physics knowledge to work Unfortunately their previous physics employee lost all their records, so you need to do everything from scratch. Background you will need: When you play a guitar string, the musical note you hear is primarily caused by the string...
Q1. (a) Explain how the zeroth-order, first-order, and second-order spectra are produced by the diffraction How many wavelengths are contained in the path- (b) Explain how the different colored spectral lines are formed at higher order and not at zeroth- your reasoning. Note: lasers should NEVER be grating (state the determining conditions). Discuss the path-length differences in terms of the wavelength, λ, and the order number, m. length difference between the first and third orders? Draw a sketch to aid...
Explain what the following program does. How many times is the bne instruction executed? Assuming that the addi instruction is at address 4000 (decimal), show the addresses of all the instructions. Show the machine language representation of the j L2 instruction (machine language means showing the 32 bits that represent the instruction, but here it is sufficient to type of the instruction, the fields of the instruction and the value of each field decimal).
a. How many decibels is a tone with pressu th pressure P = 0.027 b. How many decibels is at wice Prerfi.e. P = 0.0004)? c. What is the pressure P of a 30 dB toner d. The threshold for pain is 150 dB. What is the ex tones (that are composed of many harmonics), corresponds to the pitch of the fundamental frequenc series). The set of harmonics can sound dB. What is the corresponding pressure P? re composed of...
During one shift, the express lane clerk recorded how many times customers Volated the 10 items or less rule for his lane. In particular, he recorded how many items over the limit each violator placed on the conveyor belt. This data is surrared in the histogram below. NOTE: The last class actually represents 7 or more items, not just 7 items. 107 8+ Frequency 1.5 6.5 0.5 7.5 2.5 1.5 4.5 5.5 #its over 10 What is the frequency of...
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