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AlladinOne [14]
3 years ago
6

Why it is important to prepare first the materials and tools carpentry before doing the tasks?​

Engineering
2 answers:
professor190 [17]3 years ago
8 0

Answer:

It is important to inspect and check materials and tools for defects and damage before receiving them so that you can ask for replacements for those that you found .

Explanation:

monitta3 years ago
3 0

Answer so you dont have to wait for stuff halfway through

Explanation:

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A transmission line with an imperfect dielectric is connected to an ideal time-invariant voltage generator. The other end of the
kari74 [83]

Answer and Explanation:

O decreases linearly with the distance from the generator

4 0
3 years ago
Water flows at a uniform velocity of 3 m/s into a nozzle that reduces the diameter from 10 cm to 2 cm. Calculate the water’s vel
katrin2010 [14]

Answer:

See the pictures attached

Explanation:

4 0
3 years ago
What is the purpose of this block?
just olya [345]

The  purpose of a block to add a value to the end of an array.

<h3>What is the function that adds an element to the end of an array?</h3>

The push() is known to be often used to add an element to the end of your array.

The end() function is known to be one that transmit the internal pointer to, and also the outputs, the last factor in the array.

A null or zero value is known to be that which marks the end of an array and it is said to be the very equivalent of the null char for any kind of string

Hence, in the above scenario, The  purpose of a block to add a value to the end of an array.

Therefore, option D is correct.

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3 0
2 years ago
How much power would you need to cool down a closed, 1 Liter container of water from 100°C to 20°C in 5 minutes? (a) 1.1W (b)1.1
qaws [65]

Answer:

The power required to cool the water is 1.11Kw.

Hence the correct option is (b).

Explanation:

Power needed to cool down is equal to heat extract from the water.

Given:

Volume of water is 1 liter.

Initial temperature is 100C.

Final temperature is 20C.

Time is 5 minutes.

Take density of water as 100 kg/m3.

Specific heat of water is 4.186 kj/kgK.

Calculation:

Step1

Mass of the water is calculated as follows:

\rho=\frac{m}{V}

1000=\frac{m}{(1l)(\frac{1m^{3}}{1000l})}

m=1kg

Step2

Amount of heat extraction is calculated as follows:

Q=mc\bigtriangleup T

Q=1(4.186kj/kgk)(\frac{1000 j/kgk}{1 kj/kgk})\times(100-20)

Q=334880 j.

Step3

Power to cool the water is calculated as follows:

P=\frac{Q}{t}

P=\frac{334880}{(5min)(\frac{60s}{1min})}

P=1116.26W

or

P=(1116.26W)(\frac{1Kw}{1000 W})

P=1.11 Kw.

Thus, the power required to cool the water is 1.11Kw.

Hence the correct option is (b).

8 0
4 years ago
1) Relative to electrons and electron states, what does each of the four quantum numbers specify?
Naily [24]

Answer:

Cite two important additional refinements that resulted from the Wave-mechanical

atomic model.

4 0
3 years ago
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