subject

Physics, 01.12.2021 01:10 queen3574

A sound source emits 20. 0 w of acoustical power spread equally in all directions. The threshold of hearing is 1. 0 × 10-12 w/m2. What is the sound intensity level 30. 0 m from the source?.

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 21.06.2019 20:00

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

Answers: 1

question

Physics, 22.06.2019 05:00

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Answers: 2

question

Physics, 22.06.2019 19:30

Emagnitude of the electrical force acting between a +2.4 × 10–8 c charge and a +1.8 × 10–6 c charge that are separated by 0.008 m is n, rounded to the tenths place.

Answers: 3

question

Physics, 23.06.2019 07:30

50 points to who answers this question in a clear and simple explanation : to what hight will a mass of weight of 500 n be raised in 20 seconds by a motor using 4kw of power?

Answers: 1

You know the right answer?

A sound source emits 20. 0 w of acoustical power spread equally in all directions. The threshold of...

Questions

question

Chemistry, 16.10.2019 18:10

an aqueous solution contains 4.35 % phenylalanine (c9h11no2) by mass. assume the phenylalanine is nonionic and nonvolatile. find the freezing point, b...

question

Chemistry, 16.10.2019 18:10

Astudent measures the mass of a metal bar as 57.21 g. the student fills a graduated cylinder with water and determines the volume of water to be 53.70...

question

Chemistry, 16.10.2019 18:10

Using a mechanism explain why more than one alpha proton is necessary on the nucleophilic partner in a normal claisen condensation of two esters to fo...

question

Business, 16.10.2019 18:10

After winning the lottery, you decide to buy your own island. the island is located 1 km offshore from a straight portion of the mainland. there is cu...

question

Chemistry, 16.10.2019 18:10

Asample of gas had a volume of 265 ml when its temperature was 298 k. if the pressure remains constant, what will be its volume when the temperature d...

question

English, 16.10.2019 18:10

What’s the definition of attractive what does that mean...

question

Engineering, 16.10.2019 18:10

An aluminum plate of 24.25 mm thickness (k = 235 w/m·k) is attached to a copper plate with a thickness of 10 mm. the copper plate is heated electrical...

question

Social Studies, 16.10.2019 18:10

According to the lecture, the adult literacy rate in the low-income countries is about half that of the high-income countries. about two-thirds of tho...

question

Mathematics, 16.10.2019 18:10

Information was collected on those who attended the opening of a new movie. the analysis found that 56 percent of the moviegoers were female, 26 perce...

question

Chemistry, 16.10.2019 18:10

Suppose that a compound z had a partition coefficient of 8.0 in ether water (more soluble in ether). if 10.0g of z was dissolved in 100ml of water, an...

question

Social Studies, 16.10.2019 18:10

In erikson's psychosocial development of middle school, children who develop a good work ethic, take pride in their accomplishments, have higher expec...

question

Chemistry, 16.10.2019 18:10

Draw 1,3,5,7-cyclononatetraene (the neutral molecule). does it have a huckel number of pi electrons? b. show how 1,3,5,7-cyclononatetraene might be c...

question

Physics, 16.10.2019 18:10

Three boxes in contact rest side-by-side on a smooth, horizontal floor. their masses are 5.0-kg, 3.0-kg, and 2.0-kg, with the 3.0-kg box in the center...

question

Chemistry, 16.10.2019 18:10

Ice floats because it is less dense than water. this is due to a. the geometry and strength of hydrogen bonding between water molecules

question

Chemistry, 16.10.2019 18:10

The density of water is determined by measuring the mass of a known volume of water. if you determined the density of a 25-ml sample of water, how man...

question

Chemistry, 16.10.2019 18:10

Which of the following is false about water? a) it is a good solvent for short chain alcohols and carboxylic acids b) it is a nonpolar molecule c) it...

question

Chemistry, 16.10.2019 18:10

Asample of argon had a volume of 19.78 l at 25°c. at what temperature would its volume be 24.0 l? (assume constant pressure)....

question

Business, 16.10.2019 18:10

Alltech company maintains a separate accounts receivable account for each customer. on june 18, alltech provides $6,300 of services on account to cust...

question

Business, 16.10.2019 18:10

Gwynnie pie company makes dessert pies for national fast food chains. gwynnie pie company is considering using abc costing and has the following activ...

question

Social Studies, 16.10.2019 18:10

The primary purpose of the stamp act was to: a) regulate the transatlantic mail. b) raise badly needed revenues. c) punish the unruly north american...

More questions: Physics Another questions

Questions on the website: 13722361