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Eddi Din [679]
4 years ago
5

Hi plz delete this question i had to edit it cuz it was wrong question

Engineering
1 answer:
Rina8888 [55]4 years ago
3 0

Answer:

ok

Explanation:ok

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Can someone explain it to me!
Darina [25.2K]

Answer:

It will be B

Explanation:

Since resisitors in series are added together, 1 + 1 + 1 would = 3kilo ohms. But with resistors in parallel would be (1/1+1/1)^-1. That would equal 0.5 Now you have two resistors in series for B, and because now that they are in series you add them together, so 0.5 + 1 = 1.5 kilo ohms which is what is needed.

7 0
3 years ago
Column arrays: Transpose a row array Construct a row array countValues with elements 1 to endValue, using the double colon opera
White raven [17]

Answer:

Matlab code with step by step explanation and output results are given below

Explanation:

We have to construct a Matlab function that creates a row vector "countValues" with elements 1 to endValue. That means it starts from 1 and ends at the value provided by the user (endValue).  

function countValues = CreateArray(endValue)

% Here we construct a row vector countValues from 1:endValue

     countValues = 1:endValue;

% then we transpose this row vector into column vector

     countValues = countValues';

 end

Output:

Calling this function with the endValue=11 returns following output

CreateArray(11)

ans =

    1

    2

    3

    4

    5

    6

    7

    8

    9

   10

   11

Hence the function works correctly. It creates a row vector then transposes it and makes it a column vector.

7 0
3 years ago
Which is a drawback of solar energy
alexira [117]

Answer:

Drawbacks include that it is costlier than other clean energies. Another thing is that when it isnt sunny you wont get as much energy

8 0
3 years ago
B)
Triss [41]

Answer:

2.5 is the required details

8 0
3 years ago
The minimum fresh air requirement of a residential building is specified to be 0.35 air changes per hour (ASHRAE, Standard 62, 1
Thepotemich [5.8K]

Answer:

a) The flow capacity of the fan is 3150 L/min

d) the minimum diameter is 0.11 m

Explanation:

given data:

A = area of residence = 200 m²

h = height of building = 2.7 m

Percentage of air that must be replaced by fresh air is 35%

v = velocity of air in the duct = 5.5 m/s

a) The volume of the entire building is:

Volume=2.7*200=540m^{3}

The flow capacity of the fan is equal to:

Flow=\frac{0.35*540}{60} =3.15m^{3} /min

Flow=3.15\frac{m^{3} }{min} *\frac{1000L}{1m^{3}  } =3150L/min

b) The volume flow rate of fresh air is equal to:

Flow=\frac{\pi *d^{2} }{4} V\\d=\sqrt{\frac{4*Flow}{\pi V} } =\sqrt{\frac{4*3.15}{\pi *5.5*60} } =0.11m

6 0
4 years ago
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