Auroras occur in the _______. a. troposphere b. stratosphere c. mesosphere d. thermosphere

Physics

2 answers:

Minchanka [31]2 years ago

8 0

Answer;

-Thermosphere

Explanation;

-The thermosphere lies between the exosphere and the mesosphere.It is a region of increasing temperature in Earth’s atmosphere that is located above the mesosphere.

-The thermosphere greatly helps in protecting the earth and making space exploration and modern forms of communication possible. It also supports and protects life on the planet. It recycles water, absorbs the sun's energy, and creates a moderate temperature.

-The aurora (Northern Lights and Southern Lights) mostly occur in the thermosphere. It is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole. The effect is caused by the interaction of charged particles from the sun with atoms in the upper atmosphere.

const2013 [10]2 years ago

5 0

the answer is thermosphere

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The concept used to solve this problem is that given in the kinematic equations of motion. From theory we know that the change in velocities of a body is equivalent to twice the distance traveled by acceleration, in other words:

$v_f^2-v_i^2 = 2ax$

Where,

$v_{f,i} =$ Final and initial velocity

a = Acceleration

x = Displacement

For the given case, the displacement is equivalent to the height (x = h) and the acceleration is the same gravitational acceleration (a = g). In turn we do not have initial speed therefore

$v_f^2 = 2hg$