Questions
We can make a simple model of the human vocal tract as an open-closed tube extending...

We can make a simple model of the human vocal tract as an open-closed tube extending from the opening of the mouth to the diaphragm

Q: What is the length of this tube if its fundamental frequency equals a typical speech frequency of 240 Hz ? The speed of sound in the warm air is 350 m/s.

In: Physics

Consider the government wants to take a project in health care. Based on cost-benefit analysis, how...

Consider the government wants to take a project in health care. Based on cost-benefit analysis, how is human life valued?

i) Define the issue (first identify the purpose of the project and then you can identify the issue)

ii) Explain the issue

ii) Relate to theories or concepts to the net benefit of the project

In: Economics

Which one of the following statements is false? The neoclassical model came to dominate economic thinking...

Which one of the following statements is false?

The neoclassical model came to dominate economic thinking in the twentieth century.

The neoclassical model takes a narrower view of human motivations than the behavioral model.

The neoclassical model used solar energy as the primary input to production.

The idea of rationality is at the core of the neoclassical model.

In: Economics

A sample of human brain volumes is given below. Use the given data values to determine...

A sample of human brain volumes is given below. Use the given data values to determine if the sample form a population what is normally distributed (round the final answer to two decimal places).

1131 1131 1254 1089 1065 1016 1068 1199

Please show work thank you.

In: Statistics and Probability

You are working in Human Resources for a large corporation. The Chief Risk Officer (CRO) mentions...

You are working in Human Resources for a large corporation. The Chief Risk Officer (CRO) mentions to you that the cost of providing employee benefits continues to trend higher, and is seeking solutions. What are some possible changes that can be made to the employee benefits package that would help keep costs under control?

In: Finance

Effects of EM Radiations on Humans. Human bodies constantly absorb, reflect, and emit EM radiation. What...

Effects of EM Radiations on Humans. Human bodies constantly absorb, reflect, and emit EM radiation. What are the maximum permissible exposures (MPE) for different range of frequencies? Explain the difficulties and possible solutions to quantify an excessive exposure level. Minimum one page, single-spacing. Cite your references.

In: Electrical Engineering

compare and contrast the two theories of executive pay: human capital theory and the agency theory....

compare and contrast the two theories of executive pay: human capital theory and the agency theory. discuss/compare the following two points when answering:
1. competitive or nonconpetitive market for executove talent and executive pay
2. negotiation of contracts between executives and shareholders at arm's length or not at arm's length

In: Economics

Why is it important to know which microbes are prokaryotes and which are eukaryotes?

Why is it important to know which microbes are prokaryotes and which are eukaryotes?
A) most antibiotics are directed against the prokaryotes
B) eukaryotes cause much more serious disease
C) there are no vaccines for diseases caused by prokaryotes
D) viruses that are human pathogens only replicate in eukaryotic cells

E) it is not important to know

In: Biology

A. Describe specifically two major differences between quantum mechanics and classical mechanics. B. How does the...

A. Describe specifically two major differences between quantum mechanics and classical mechanics.
B. How does the correspondence principle link quantum mechanics and classical mechanics?
C. Why is it still accurate to use classical mechanics for human size objects? That is, why are our wave like properties not observed?

In: Physics

Argue in support of each of the following statements: a. Pharmaceuticals are simply NOT an important...

Argue in support of each of the following statements:
a. Pharmaceuticals are simply NOT an important contaminant in drinking
water because no standards have been established by the EPA.
b. PPCPs are a serious problem in drinking water supplies that may adversely
impact human health.
c. Homeowner disposal of PPCPs should NOT be regulated by the EPA.

In: Biology