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3 years ago

American urbanization during the first half of the 19th century was made possible primarily because of advances in

2 answers:

7 0

The advances in public and private transportation were one of the key factors of the American urbanization in the first half of the 19th century. Wave of immigrants enter the country which paved way to the rapid increase of factory industries because of the huge labor force they provide.

svlad2 [7]3 years ago

4 0

Answer: the answer is D, UwU

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Using Wien’s Law, estimate the wavelength at which these common materials radiate their peak brightness (show your work):

SSSSS [86.1K]

Explanation:

Wien’s Law:

$\lambda _{max}\propto \frac{1}{temperature}$

The law states that the wavelength at which black body emits maximum heat is inversely proportional to the temperature of the body in Kelvins.

$\lambda _{max}=\frac{2.9\times 10^{-3}}{T}$

1) Walls at 300 K

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{300 K}$

$\lambda _{max}=9.666\times 10^{-6} m$

2) Ice water at 273 K :

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{273 K}$

$\lambda _{max}=1.062\times 10^{-5} m$

3) Hot water at 373 K :

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{373 K}$

$\lambda _{max}=7.775\times 10^{-6} m$

4)Skin at 310 K:

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{310 K}$

$\lambda _{max}=9.355\times 10^{-6} m$

5)An incandescent light bulb at 3000 K

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{3000 K}$

$\lambda _{max}=9.666\times 10^{-7} m$

3 0

3 years ago

The work done by effort is called

mafiozo [28]

Answer:

Work done by effort is called hard work.

If my answer helped, kindly mark me as the Brainliest!!

Thank You!

5 0

3 years ago

Generally, hurricanes are ________. group of answer choices smaller than tornadoes smaller than midlatitude cyclones areas of li

allsm [11]

The correct answer is Option B) Smaller than mid latitude cyclones.

Generally, hurricanes are smaller than mid latitude cyclones.

<h3>What are hurricanes?</h3>

Hurricanes are tropical cyclones with winds which exceed 74 mi/hr. They blow counter clockwise about their centers in the Northern Hemisphere and the opposite in the Southern Hemisphere. The hurricane season is usually from June through November. This is when water temperatures are usually high. These are larger than thunderstorms and tornadoes but smaller than mid latitude cyclones.

The components of a hurricane are:

The Eye of the hurricane
Eye Wall of the hurricane
Spiral Rain bands of the hurricane

To know more about hurricanes, visit:

brainly.com/question/18950883

#SPJ4

4 0

1 year ago

If we assume the measure of B gº А Measure of Ze

allsm [11]

Answer:

c = 55° and d = 125°

Explanation:

Given that,

$\angle a=85^{\circ}\\\\\angle b = 40^{\circ}$

We need to find the measure of angle c and angle d.

We know that the sum of angles of a triangle is 180 degrees. So,

a+b+c = 180

85+40+c = 180

125+c=180

c = 180-125

= 55°

Using exterior angle theorem,

d = a+b

d = 85+40

d = 125°

Hence, c = 55° and d = 125°

3 0

2 years ago

Why do you see only one side of the Moon from Earth

storchak [24]

Because the Moon rotates on its axis at the same rate that the Moon orbits the Earth, a situation known as synchronous rotation or tidal locking. The Moon is directly illuminated by the Sun, and the cyclically varying viewing conditions cause the lunar phases.

Hope this helps :)

7 0

3 years ago

Read 2 more answers