3 years ago

Jesseca’s material In what areas of the country should this material be marketed?

Physics

2 answers:

lesantik [10]3 years ago

4 0

Answer: Somewhere with high temperatures.

Explanation:

katrin2010 [14]3 years ago

3 0

Answer:

Because the material is meant to coat roofing shingles to keep houses cooler, the material should be marketed in areas that have high temperatures.

Explanation:

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adell [148]

Answer:

Explanation:

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3 years ago

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4. We have 4 identical strain gauges of the same initial resistance (R) and the same gauge factor (GF). They will be used as R1,

Luba_88 [7]

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4 years ago

BEST ANSWER GETS BRAINLIEST!

wel

Answer:

Distance = 16.9 m

Explanation:

We are given;

Power; P = 70 W

Intensity; I = 0.0195 W/m²

Now, for a spherical sound wave, the intensity in the radial direction is expressed as a function of distance r from the center of the sphere and is given by the expression;

I = Power/Unit area = P/(4πr²)

where;

P is the sound power

r is the distance.

Thus;

Making r the subject, we have;

r² = P/4πI

r = √(P/4πI)

r = √(70/(4π*0.0195))

r = √285.6627

r = 16.9 m

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3 years ago

The prefix semi- means “half,” “partially,” or “somewhat”. Explain why this prefix is appropriate for the term semiconductor

aleksley [76]

Semi-conductors are occasionally conductors based on their needs. Hope this helps!!!

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3 years ago

When we do dimensional analysis, we do something analogous to stoichiometry, but with multiplying instead of adding. Consider th

Ksivusya [100]

Answer:

The dimension is $D = L ^{2} T^{-1}$

Explanation:

From the question we are told that

$J = -D \frac{dn}{dx}$

Here $[J] = \frac{1}{L^2 T}$

$[n] =\frac{1}{L^3}$

$[x] = L$

$\frac{1}{L^2 T} = -D \frac{d(\frac{1}{L^3})}{d[L]}$

Given that the dimension represent the unites of n and x then the differential will not effect on them

$\frac{1}{L^2 T} = -D \frac{(\frac{1}{L^3})}{[L]}$

=> $D = \frac{L^{-2} T^{-1} * L }{L^{-3}}$

=> $D = L ^{2} T^{-1}$

5 0

3 years ago