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3 years ago

When two air masses with different characteristics meet what happens

1 answer:

3 0

If the boundary between the cold and warm air masses doesn't move, it is called a stationary front. The boundary where a cold air mass meets a cool air mass under a warm air mass is called an occluded front. At a front, the weather is usually unsettled and stormy, and precipitation is common.

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Hakeem was dismayed to discover that he offended coworkers by standing 2 feet away from them during business conversations. In t

Eddi Din [679]

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Hakeem might not realize it but it’s commonly accepted for Americans to have a distance between four to twelve feet between one another in social settings, especially in professional ones. A distance of two feet is only acceptable if the individual is part of the person’s inner circle, such as friends and family.

3 0

3 years ago

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Mama L [17]

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3 years ago

Biologists use optical tweezers to manipulate micron-sized objects using a beam of light. In this technique, a laser beam is foc

sleet_krkn [62]

Answer:

a) I = 1,894 10¹⁰ W / m², b) E = 1.376 10⁵ N / C

Explanation:

a) intensity is defined as energy per unit area per unit time

I = P / A

let's reduce the magnitudes to the SI system

P = 10 mW = 10 10⁻³ W

d = 0.82 μm = 0.82 10⁻⁶ m

the laser area is

A =π r² = π d²/4

A =π (0.82 10⁻⁶)²/4

A = 5.28 10⁻¹³ m²

we calculate

I = $\frac{10 \ 10^{-3}}{5.28 \ 10^{-13}}$

I = 1,894 10¹⁰ W / m²

b) average intensity and electric field are related

I = E * E

E = √I

E = $\sqrt{1.894 \ 10^{10}}$

E = 1.376 10⁵ N / C

4 0

3 years ago

What does the nervous system allow?

pentagon [3]

To pass signals around the bod from the brain

8 0

3 years ago

Find the equivalent resistance of this

MAXImum [283]

Explanation:

1/R = 1/R1 + 1/ R2

1/R = 1/960 + 1/640

1/R = 5 / 1920

So , Req = 384 + R3

Req = 384 + 180

$\huge\red{A}\pink{N}\orange{S}{W}\blue{E}\green{R}$

7 0

2 years ago