# Homework Help: Music: Instruments

## Recent Homework Questions About Instruments

physics
a d'arsonval meter movement deflects to 0.8mA. what is the peak value of the alternating current if the instrument uses full-wave rectification?

physics
the current through a meter movement is 150 micro amperes. what is the dc value if the instrument uses half-wave rectification?

physic
Two currents from different sources flow in opposite directions through a resistor. I1 is measured as 79 mA on a 100 mA analog instrument with an accuracy of ±3% of full scale. I2, determined as 31 mA, is measured on a digital instrument with a ±100 µA accuracy. Calculate ...

Earth Science
Slide 1 This is a cumulus cloud. Can you find four things on the word list that you can use to describe this cloud. Cumulus clouds consists of puffy tops, no rain expected, 3,000 ft. high, and flat bottoms. Slide 2 This is an example of towering cumulus clouds. Write down as ...

A note played by a musical instrument has a frequency of 130.8 Hz. What would be the length of the pipe if an organ pipe had this frequency as the fundamental and if the speed of the sound in the pipe is 350 m/s? f = v/2L 130.8(2L) = 350 2L = 2.68 L is about 1.34 m.

Physics
a periscope is an optical instrument made of two plane mirrors inclined at an angle 45 with respect to the axis of the tube. an observer places her eye at point O. draw the path of a ray light issued from A. determine the position and the nature of the image of A given by two ...

Science
Physics A scientific instrument weighing 98 pounds on the Earth is transported to another planet whose mass is 1.7 Earth masses and whose radius is 0.7 Earth radii. What does this instrument weigh on this planet? To be graded correctly, enter the new weight in pounds (numbers ...

Assessments
If an instrument requires some professional judgments in scoring, then the manual should also include information on:

music
1. Click the play button to listen to the audio sample. What is the texture of this music? (1 point) monophonic polyphonic homophonic quadraphonic 2. Choose the correct definition of timbre. (1 point) volume level of the music speed or pace of the music layers of sound and ...

Spanish
1.Which is the best response to the following question? Qué te gusta más, usar la computadora o jugar videojuegos? A.Me gusta más usar la computadora.*** B.Si C.Y a ti? D.Usar la computadora o jugar los videojuegos. 2.which musical style is characterized by its accordion-...

Which of the following statements is true regarding a negotiable instrument? A. It should be signed by the payee. B. It need not state a fixed amount of money. C. It should not require any undertaking other than the payment of money. D. It can be either written or oral. C

math
IF 2/7 OF THE 2905 STUDENTS ARE FRESHMEN,AND IF 30% OF THE FRESHMEN PLAY MUSICAL INSTRUMENT,HOW MANY FRESHMEN STUDENTS PLAY MUSICAL INSTRUMENTS?

Music
I want to make sure these answers are right. The answers are put between two stars(*). 1. The overture to A Midsummer Night's Dream is a one-movement work A. famous for the interplay of piano, violin, and cello. B. known for the massive sound of the orchestra. *C. praised for ...

chemistry lab
Was the density you determined accurate, taking into account the total instrument uncertainty? I got 0.778 g/ml the theoretical value is 0.789 g/ml the instrumental uncertainty was 0.2% How do I know if its accurate ?? please help

Geometry
maria is building a carrying case for a musical instrument. The case will have the shape of a triangular prism. She wants to know how much material will be needed to build it. The case will have the dimensions given in the diagram. What is the surface area of the case in ...

science
Which of the following is the best instrument to use to prepare a solution

•What are earthquakes? •Where do they occur most often? Why? •How likely is it that your area will experience an earthquake? •What are the types of seismic waves? Describe/explain each of them. •What instrument do seismologists use to measure/detect seismic waves...

physics
After giving an intense performance, a confused and disoriented flautist has wandered onto the motorway! They are playing a constant 300Hz on their flute and are essentially stationary If you are driving along the motorway at 100 km/h(27.8 m/s). What is the frequency you hear ...

PHYSICS!!
After giving an intense performance, a confused and disoriented flautist has wandered onto the motorway! They are playing a constant 300Hz on their flute and are essentially stationary If you are driving along the motorway at 100 km/h(27.8 m/s). What is the frequency you hear ...

Energy of satellite PHYSICS
An m = 43 kg mass instrument package is put into orbit at an altitude above the Earth of A = 23000 km. What is the kinetic energy of this satellite in Joules?

math
In Mrs.Marshall's classroom, 6/7 of the students play sports. Of the students who play sports, 4/5 also play an instrument. If there are 35 in her class how many play sports and an instrument?

English
Which of the following quotes from Orpheus and Eurydice best shows the power of Orpheus' music? a. "Even before he reached manhood, he was accomplished in all the arts, but especially in poetry and music." b. "Orpheus drew the most wonderful music from his instrument." c. "His...

English
How does Margaret Atwood draw on source material in The Penelopiad? A: She tells The Odyssey from the view of Penelope's maids B: She tells The Odyssey from the view of a more modern woman C: She reveals Odysseus' true feelings about the events in the Odyssey D: She reveals ...

health
Need Help ! An instrument called a ________ is used to measure the volume of air that moves into and out of the lungs. A. Hydrometer B. Barometer C. Spirometer D. None of the above I think its D , But Don't Wanna Get Wrong .

Math
At a school, 15% of the students play an instrument. How many students do not play an instrument?

Introduction to Terrorism
Can you explain why some countries see terrorism as having appealing attributes as an instrument of war?

Curriculum Areas
1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most effective with...

Creative Activities in Other Curriculum Areas
1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most effective with...

Early Childhood
1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most effective with...

English
6 Which of the following descriptions best conveys the author’s negative attitude toward television? (1 point) communications instrument form of national linkage toy medium for selling Use the passage to answer the question. 8 Which statement is true about facts and opinions...

Lang arts
PrintPrint Feedback Facts and Visions Practice Gavin Munro is taking this assessment. from “Harriet Tubman: Conductor on the Underground Railroad”by Ann Petry 1 That first winter in St. Catharines was a terrible one. Canada was a strange frozen land, snow everywhere, ice ...

Science
What laboratory instrument utilized the wave nature of electrons?

math
Later 7 students joined group 2 (41 students)and one student left to join group 1. (44 students) Now 20 students play trombone and 7 more students play trumpet as play saxophone. How many students play each instrument?

Math
There are 41 students in group 2. Twice as many students play the trumpet as play the trombone, but 8 students play the saxophone. How many students in Group 2 play each instrument? Endless thanks

SS
What type of instrument can you use to tell the direction an object is moving? A compass

Health
the is an instrument used to preform a type of body fat evaluation? A. Tape measure B. Skinfold caliper*** C. Hydrostatic caliper

ap biology
why should you not rotate the volume adjuster of a micropipettor above or below the range written on the instrument? what two things could happen?

ap biology
why should you not rotate the volume adjuster of a micropipettor above or below the range written on the instrument?

sound
In a stringed musical instrument, the sound frequency of a particular string can be increased by A. lengthening the string. B. tightening the string. C. increasing the string's thickness. D. loosening the string.

sales
are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You decide you like the car and when you visit Bob to drop off the car, he hands you the following document and a pen: May 1, 201x I promise to pay to the order...

chemistry
The amount of organic carbon in a sample can be obtained by IR analysis of the carbon dioxide (CO2) released following complete combustion of the sample in oxygen. A reference sample of an organic compound is usually used to calibrate the instrument response. In an analysis of...

chemistry
Higher signal to noise signal ratios can be achieved in FTIR spectra compared to spectra from dispersive ir instrument. how is such a useful feat achieved in ftir

Analytical Chemistry
Any help/advice on answering this question would be a big help! :) The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid and the solution made...

maath algegra 5
force of gravity on Earth is 6 times greater than on the moon. As a result, objects weigh 6 times as much on Earth as they do on the moon. A scientific instrument weighs 34 pounds on the moon. How much does the instrument weigh on Earth

Probability
Let Θ be an unknown random variable that we wish to estimate. It has a prior distribution with mean 1 and variance 2. Let W be a noise term, another unknown random variable with mean 3 and variance 5. Assume that Θ and W are independent. We have two different ...

math
4.In Amy’s English class, 30% of the students play an instrument. She does not know how many in the whole school play an instrument, but there are 500 students in the school. A.Solve the proportion 30/100=n/500 to estimate the total number of students in the school who play...

English
I'll bet you can't guess my favorite musical instrument challenged my dentist

finance
You have a discount bond with a time to maturity of one year. The market price of this instrument is 97%. You want the model price to match it while you build you yield curve with ED futures; the contracts price as follows: 1st = 99, 2nd = 98, 4th =97. What is the price of the...

science
The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid and the solution made up to 1.000 L with distilled water. A 50.0 μL aliquot of this...

Math
using a circle graph of 1/3 percussion, 2/5 brass, 4/15 woodwind and also a circle graph of 1/3 woodwind, 1/6 percussion, 1/2 brass. Both bands combine as one band. A. What fraction of the band members will play brass instruments? B. what fraction of band members will play a ...

MATH
In Mrs.Marshall'd classroom, 6/7 of the students play sports. Of the students who play sports, 4/5 also play as instrument. If there are 35 students in her class, how many play sports and an instrument?

PSYCH
1 Which of the following is NOT one of the three fundamental features of science? a empirical questions b public knowledge c mathematical equations (My Answer) d systematic empiricism 2 A set of beliefs can be said to be pseudoscientific if it lacks one or more of the three ...

Psychology
1 Which of the following is NOT one of the three fundamental features of science? a empirical questions b public knowledge c mathematical equations (My Answer) d systematic empiricism 2 A set of beliefs can be said to be pseudoscientific if it lacks one or more of the three ...

MAth
Two thirds of the musicians in a 16-piece band are girls. the 16 musicians include 12 brass players. what fraction of the band plays brass instrument?

Two thirds of the musicians in a 16-piece band are girls. the 16 musicians include 12 brass players. what fraction of the band plays brass instrument?

mathematics concepts
Select the answer choice that best describes children's readiness to understand how to tell time. A. Introduce the units of measurement in grade one; expect accurate measurement in second grade. B. It may be introduced in grade 2, but it will be beyond primary before accuracy ...

chemistry
I have questions but I don't understand this passage. Could you give a summery? Here are the question 1. One problem the researchers faced was an uncertainty about whether the signals observed in certain mass spectrometry data were, in fact, due to lead isotopes. Explain why ...

science(sound#4)
What instrument has a low pitch?

Earth Science
16.   What type of instrument measures seismic waves?  A. Mercalli scale B. Seismic scale C. Seismogram D. Seismometer D?

An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's? A. duty B. accommodation C. primary liability D. secondary liability I chose Secondary liability

1. An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's A. duty B. accommodation C. primary liability D. secondary liability I chose C. 2. A defense that arises out of some improper act or omission by...

probability
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

Physics
What is the purpose of the resonator stringed instrument

Physics
Musicians can use beats to tune their instruments. One flute is properly tuned and plays the musical note A at exactly 440Hz. A second player sounds the same note and hears that her flute is slightly "flat" (that is, at too low of a frequency). Playing at the same time as the ...

Language Arts 8A
It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The only things ...

It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The only things ...

Language Arts; Trouble with television
It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The only things ...

8th grade English; Trouble with Television
The Trouble with Television Robert MacNeil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived ...

english
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

I need help asap
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

english help repost
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

Language Arts
The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

science
This year for my science fair project I will be testing to see if music affects a person's blood pressure. I will have a participant get relaxed (for 5 minutes). After he/she is relaxed, I will take his/her blood pressure with a digital sphygmomanometer (instrument used to ...

science
This year for my science fair project I will be testing to see if music affects a person's blood pressure. I will have a participant get relaxed (for 5 minutes). After he/she is relaxed, I will take his/her blood pressure with a digital sphygmomanometer (instrument used to ...

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

Chemistry
Hi was looking to get some help with an experiment. Currently I trying to determine the amount iron in cereal. And was hoping to get some help with one of the questions I have been given. First off I am the recorded absorbance across the region 470 – 490 nm for the 3.00 mg L...

Criminal justice
What instrument is the gold standard for assessing psychopathy in forensic and correctional settings? A. MMPI B. MMPI-II C. DSM-IV D. PCL-R is it D

Statistics
Suppose that you are designing an instrument panel for a large industrial machine. The machine requires the person using it to reach 2 feet from a particular position. The reach from this position for adult women is known to have a mean of 2.8 feet with a standard deviation of...

finance
Which of the following represent the most important instrument used to raise funds in the credit markets? Answer corporate bonds tax-exempt obligations consumer debt mortgages

stats
The ABC Self-Concept Inventory has a split-half reliability coefficient of 0.90, and the XYZ Self-Concept Inventory has a Spearman-Brown reliability coefficient of 0.90. If all other factors are equal, which instrument would you choose to use?

I am having a hard time figuring this out, can anyone help me out? Please. Preparing to Conduct Business Research Part 4 Build on the work you conducted in Preparing to Conduct Business Research: Parts 1-3. Develop or select the instruments your team will use to collect data ...

ALGEBRA
The force of gravity on Earth is 6 times greater than on the moon. As a result, objects weigh 6 times as much on Earth as they do on the moon. A scientific instrument weighs 34 pounds on the moon. How much does the instrument weigh on Earth?

You are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You decide you like the car and when you visit Bob to drop off the car, he hands you the following document and a pen: May 1, 201x I promise to pay to the ...

Earth Science
Hello! I try to do my homework to the best of my ability. I want to make sure that my answers are correct. My answers will be (*). Please help me if you can.... 1. _______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Antonio ...

Chemistry
An astrophysicist working at an observatory is interested in finding clouds of hydrogen in the galaxy. Usually hydrogen is detected by looking for the Balmer series of spectral lines in the visible spectrum. Unfortunately, the instrument that detects hydrogen emission spectra ...

physics
In Figure 20.2 is a velocity selector that can be used to measure the speed of a charged particle. A beam of particles is directed along the axis of the instrument. A parallel plate capacitor sets up an electric field E which is oriented perpendicular to a uniform magnetic ...

Statistics
The ABC Self-Concept Inventory has a split- half reliability coefficient of 0.90 and the XYZ Self-Concept Inventory has a Spearman- Brown reliability coefficient of 0.90. And if all factors are equal, which instrument would be chose to use?

statistics
If an instrument requires some professional judgments in scoring, then the manual should also include information on a. Interrater RELIABILITY b. Corrections of the reliability coefficients using the Spearman-Brown formula c, Both KR 20s and KR 21s d. Test retest reliability ...

1. A person is listening to a new instrument capable of sounds ranging from 10 dB to 150 dB and with frequencies from 12 Hz to 30,000 Hz. Comment on the suitability of this instrument for the musician or audience. 2. A guitar emits a 440 Hz tone. How far apart are the crests ...

Probability
Let Θ be an unknown random variable that we wish to estimate. It has a prior distribution with mean 1 and variance 2. Let W be a noise term, another unknown random variable with mean 3 and variance 5. Assume that Θ and W are independent. We have two different ...

Math
A kaleidoscope is a tube-shaped instrument that contains mirror and colored glass. When a viewer looks in one end, (s)he sees vibrant, changing patterns. Tami sees a kaleidoscope in the shape of triangular prism. It has a height of 4 inches, a base of 5 inches and a depth of 8...

physics
What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) g(R−h)R g(R−h)2R2 2 The instrument used for experimental determination of the value of the universal gravitational constant G is ...

physics
The acceleration due to gravity on a certain planet is about 6.5 \frac{m}{s^2}. What would a 78-kg scientific instrument weigh on Titan? W_{instrument} =______________ N (no rounding up)

Stats
The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a mean of 0.028 failure per hour. (a) What is the probability that the instrument does not fail in an 8-hour shift? (b) What is the probability of at ...

physics
1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational constant G is ...

1. Complete reflection is the special case of refraction at an angle of 180. True. False. 2. A resonant frequency is the same as a natural frequency. True. False. 3. For a standing wave, the number of segments is an integer equal to the number of half-wavelengths. True. False...

Science
The sensitivity of a measuring instrument is the value of the smallest quantity that can be read or estimated with it. What is the smallest part of a centimeter that can be read with the following? (a) a meterstick with markings at each millimeter I tried .01 mm .05 mm .1 mm ....

law
Ron supervises delivery of flowers for a wholesale distributor of fresh flowers, Flowers. Inc. In order to accommodate one of the company’s best customers, Ron offers to immediately rush a delivery of fresh peonies. All of the delivery trucks are currently out on delivery. ...

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