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ipn [44]
3 years ago
6

Policy makers in the U.S. government have long tried to write laws that encourage growth in per capita real GDP. These laws typi

cally do one of three things: a. They encourage firms to invest more in research and development in order to boost technology. b. They encourage individuals to save more in order to boost the physical capital stock. c. They encourage individuals to invest more in education in order to boost the stock of human capital. For each of the above three points, please name a law or government program with that intention.
Engineering
1 answer:
ikadub [295]3 years ago
8 0

Answer:

(a)They encourage firms to invest more in research and development in order to boost technology.

Some of the laws or government programs developed to encourage it include:

  1. Granting patents for inventions
  2. Issuing grants from the National Science Foundation
  3. Issuing grants from the National Institute of Health
  4. Offering tax credits for R&D costs

(b) <u>They encourage individuals to save more in order to boost the physical capital stock</u>

  1. Lowering tax rates on incomes earned through savings
  2. Permitting citizens to open health and savings account
  3. Offering retirement savings plan
  4. Coming up with 529 education savings account

(c) <u>They encourage individuals to invest more in education in order to boost the stock of human capital</u>

  1. Establishment of a system of public schools and universities
  2. Government-provided student loans
  3. Provision of education subsidies for veterans

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A nozzle receives an ideal gas flow with a velocity of 25 m/s, and the exit at 100 kPa, 300 K velocity is 250 m/s. Determine the
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Given Information:

Inlet velocity = Vin = 25 m/s

Exit velocity = Vout = 250 m/s

Exit Temperature = Tout = 300K

Exit Pressure = Pout = 100 kPa

Required Information:

Inlet Temperature of argon = ?

Inlet Temperature of helium = ?

Inlet Temperature of nitrogen = ?

Answer:

Inlet Temperature of argon = 360K

Inlet Temperature of helium = 306K

Inlet Temperature of nitrogen = 330K

Explanation:

Recall that the energy equation is given by

$ C_p(T_{in} - T_{out}) = \frac{1}{2} \times (V_{out}^2 - V_{in}^2) $

Where Cp is the specific heat constant of the gas.

Re-arranging the equation for inlet temperature

$ T_{in}  = \frac{1}{2} \times \frac{(V_{out}^2 - V_{in}^2)}{C_p}  + T_{out}$

For Argon Gas:

The specific heat constant of argon is given by (from ideal gas properties table)

C_p = 520 \:\: J/kg.K

So, the inlet temperature of argon is

$ T_{in}  = \frac{1}{2} \times \frac{(250^2 - 25^2)}{520}  + 300$

$ T_{in}  = \frac{1}{2} \times 119  + 300$

$ T_{in}  = 360K $

For Helium Gas:

The specific heat constant of helium is given by (from ideal gas properties table)

C_p = 5193 \:\: J/kg.K

So, the inlet temperature of helium is

$ T_{in}  = \frac{1}{2} \times \frac{(250^2 - 25^2)}{5193}  + 300$

$ T_{in}  = \frac{1}{2} \times 12  + 300$

$ T_{in}  = 306K $

For Nitrogen Gas:

The specific heat constant of nitrogen is given by (from ideal gas properties table)

C_p = 1039 \:\: J/kg.K

So, the inlet temperature of nitrogen is

$ T_{in}  = \frac{1}{2} \times \frac{(250^2 - 25^2)}{1039}  + 300$

$ T_{in}  = \frac{1}{2} \times 60  + 300$

$ T_{in}  = 330K $

Note: Answers are rounded to the nearest whole numbers.

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PLEASE HELP QUICK!!
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R01= 14.1 Ω

R02=  0.03525Ω

<h3>Calculations and Parameters</h3>

Given:

K= E2/E1 = 120/2400

= 0.5

R1= 0.1 Ω, X1= 0.22Ω

R2= 0.035Ω, X2= 0.012Ω

The equivalence resistance as referred to both primary and secondary,

R01= R1 + R2

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= 14.1 Ω

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