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3 years ago

Which spots in this picture show where a WARM air mass would form? *

Physics

2 answers:

viktelen [127]3 years ago

7 0

Yep is right I double checked B

Svet_ta [14]3 years ago

3 0

Answer:

Spot B & Spot C

Explanation:

They're closer to the equator and get more direct solar radiation, making them more likely to be where a warm air mass would form.

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If a nucleus decays by successive b, a, a emissions, its mass number will Group of answer choices decrease by seven. decrease by

nirvana33 [79]

Answer:

The mass number will decrease by eight (8).

Explanation:

Given;

successive beta (b), alpha (a), alpha (a) emissions.

Generally, when a radioactive element emits a beta-particle (b), its mass number doesn't increase but its atomic number increases by 1 . $(^{0}_{-1}\beta )$

Also when a radioactive element emits an alpha-particle (a), its mass number decreases by 4, while its atomic number decrease by 2. $(^4_2\alpha)$

For the given question, a successive beta (b), alpha (a), and alpha (a) emissions = (0) + (-4) + (-4) = -8

Thus, when a radioactive element emit a successive beta (b), alpha (a), alpha (a) particles, the mass number will decrease by eight (8).

<u>To learn more, please visit:</u> brainly.com/question/23276969

7 0

3 years ago

Which of the following is usually tax exempt?

ExtremeBDS [4]

Answer:

Explanation:

whatever expenses a business might have like

repairs

buying equipment

employees

4 0

3 years ago

If the masses of objects increase and their distance from each other remains the same, then the force of gravity between the two

slava [35]

The force of gravity is that amount of attractive force which is exerted between two bodies on each other.

As per Newton's law of gravitation the force of gravity is directly proportional to the product of the masses of the two bodies and inversely proportional to the square of separation distance between them.

Mathematically $F= G\frac{m_{1}*m_{1} }{r^2}$

Here G is the gravitational constant whose value is 6.67× $10^{-11} } N m^2kg^-2$

As per the question the masses of the objects are increased keeping the separation distance same.

As force of gravity ∝ product of masses of two bodies,

Hence the force of gravity increases with the increase of mass.

8 0

3 years ago

Most solar energy that reaches earths atmospere is ..

NNADVOKAT [17]

It’s A because energy passes freely through the atmosphere and is absorbed by earths surface.

7 0

3 years ago

A car drives at a constant speed of 21 m/s around a circle of radius 100 m.

Arte-miy333 [17]

Answer:

Option D. 4.4 m/s²

Explanation:

The following data were obtained from the question:

Velocity (v) = 21 m/s

Radius (r) = 100 m

Centripetal acceleration (a) =.?

The centripetal acceleration of the car can be obtained as follow:

Centripetal acceleration (a) = Velocity square (v²) / radius (r)

a = v²/r

a = 21²/100

a = 441/100

a = 4.41 ≈ 4.4 m/s²

Therefore, the centripetal acceleration of the car is 4.4 m/s².

8 0

3 years ago