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3 years ago

Which direction does air circulate into low pressure zones in the northern and southern hemispheres

Physics

2 answers:

photoshop1234 [79]3 years ago

5 0

Warm air goes up cool air goes down

lapo4ka [179]3 years ago

4 0

Coriolis force deflects towards the right (and in the Southern Hemisphere to the left). A low pressure system pulls air into its center. systems in the Northern Hemisphere (clockwise<span> in the Southern Hemisphere).

i hope this helps</span>

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With "normal" gravity, we used a potential energy of mgh. Now with the gravity that is more accurate over longer distances we us

Artemon [7]

Answer:

A general solution is $\Delta U=mh\frac{GM}{r^{2}}\frac{r}{r+\Delta h}$ and a particualr case is mgh, it is just to distance around the radius Earth.

Explanation:

We can use a general equation of the potential energy to understand the particular and general case:

The potential energy is defined as $U=-\int F\cdot dx$ , we know that the gravitational force is $F=GmM/r^{2}$ , so we could find the potential energy taking the integral of F.

$U=-GmM/r$ (1)

We can find the particular case, just finding the gravitational potential energy difference:

$\Delta U=U_{f}-U_{i}$ . Here Uf is the potential evaluated in r+Δh and Ui is the potential evaluated in r.

Using (1) we can calculate ΔU.

$\Delta U=-\frac{GmM}{r+\Delta h}+\frac{GmM}{r}$

Simplifying and combining terms we have a simplified expression.

$\Delta U=mh\frac{GM}{r^{2}}\frac{r}{r+\Delta h}$ (2)

Let's call $g=\frac{GM}{r^{2}}$ . It is the acceleration due to gravity on the Earth's surface, if r is the radius of Earth and M is the mass of the Earth and we can write (2) as ΔU=mgh, but if we have distance grader than r we should use (2), otherwise, we could get incorrect values of potential energy.

I hope i hleps you!

3 0

4 years ago

An engine absorbs 2150 J as heat from a hot reservoir and gives off 750 J as heat to a cold reservoir during each cycle. What is

tia_tia [17]

Answer:

65.2 %

Explanation:

Let Q1 = Heat absorbed by the system

Q2 = Heat released by the system

e= (1 - (Q2/Q1)) x 100

e= (1 - (750/2150)) x 100

e= (1 - 0.348) x 100

e= 0.652 x 100

e= 65.2 %

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4 years ago

WILL GIVE BRAINLIEST DON'T KNOW IF I SPELLED IT WRONG BUT U KNOW WHAT I MEAN:)

eimsori [14]

Answer: well jabberwocky means like happy or like good vs evil

Synonyms: abracadabra, double talk, gibberish, gobbledygook, mumbo jumbo, babble, blather, blatherskite, gabble, jabber and jargon

Definition: invented or meaningless language; nonsense.

Explanation:

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3 years ago

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a wire carries 15 A. You form it into a singleturn circular loop with magnetic field 80 µT at the loop center. What is the loop

solong [7]

Use the formula B(at the center)= (4 pi * 10^(-7) ) * I (current) / ( 2 radius)
and you will get the answer that will be 6.

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The sun's properties (luminosity, size, and temperature) have not changed much over the last 4.6 billion years. what do you thin

Vikentia [17]

The answer is; The sun will turn into a red giant

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