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lys-0071 [83]
3 years ago
9

Most of the world’s mixed economies are a combination of a __________ economy and a __________ economy.

Engineering
2 answers:
Elena L [17]3 years ago
5 0

Answer:

The correct option is;

D. Market...Command

Explanation:

In a mixed economy, socialism and capitalism are combined in the economic policy, such the economy allows ownership of and offers protection for private property as well as provision of certain degree of allowance of capital utilization by the private sector. The government of a country with a mixed economic system can disrupt, obstruct, or restrict the activities taking place in the economy in order to meet the social objectives of the country's.

PtichkaEL [24]3 years ago
4 0

Answer:

D

Explanation:

Cause it is.

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What have you learned about designing solutions? How does this apply to engineering? Think of some engineering solutions that st
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2 years ago
At a certain location, wind is blowing steadily at 7 m/s. Determine the mechanical energy of air per unit mass and the power gen
Kaylis [27]

Answer:

Explanation:

From the information given;

The velocity of the wind blow V = 7 m/s

The diameter of the blades  (d) = 80 m

Percentage of the overall efficiency \eta_{overall} = 30\%

The density of air \rho = 1.25 kg/km^3

Then, we can use the concept of the kinetic energy of the wind blowing to estimate the mechanic energy of air per unit mass by using the formula:

e_{mechanic} = \dfrac{mV^2}{2}

here;

m = \rho AV

= 1.25 \times \dfrac{\pi}{4}(80)^2 \times 7

= 43982.29 kg/s

∴

W = e_{mechanic} = \dfrac{mV^2}{2}

= \dfrac{43982.29 \times 7^2}{2}

= 1077566.105 \ W

\mathbf{ =1077.566 \ kW}

The actual electric power is:

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\mathbf{W_{electric} =323.26 \ kW}

8 0
2 years ago
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