Select the answer choices that describe where plasmas can be found.

nadya68 [22]

Answer:

Explanation: The atmosphere is the layer of gases around the earth. The atmosphere is composed of 78% nitrogen, 21% oxygen, and 0.9% carbon dioxide, argon, methane, ect. The atmosphere is vitally important to support complex life, such as ourselves. There is just the right balance of gases needed for life. If there were too little oxygen, we would die. If there were to much oxygen, we would get permanent lung damage and eventual blindness. The nitrogen dilutes the oxygen in the atmosphere, because too much can cease life.

The ozone layer is located in the stratosphere, and its main role is to deflect dangerous ultraviolet rays from the sun. Without it, life as we know it would cease. Ground level ozone, however, is a pollutant and can cause death if continually exposed.

Air pressure is the weight of the atmosphere's air molecules.

Main factors that influence our weather is the sun's radiation, earth's axial tilt, latitude and longitude, air pressure, and abundance of water.

Wind is a result of a certain rising mass of air. When air rises, air in the upper atmosphere rushes in to fill the void left by the rising air. This phenomenon is what we perceive as wind.

The dew point is the temperature at which water droplets condense to form dew.

Clouds are a result of air rising and condensing onto particles called cloud condensation nuclei. When that happens, a cloud is formed. Adiabatic cooling is also responsible for how clouds form. The main types of clouds are cumulus, stratus, cirrus, and lenticular.

Precipitation is any sort of water from the atmosphere. Precipitation can be rain, snow, hail, sleet, freezing rain, ect. For example, ocean water is always evaporating, gets stored in a cloud, and falls as precipitation. This precipitation gets absorbed as groundwater, surface runoff, ect. Fun fact: water from your fridge may have came from the ocean. You would expect it to be salty, but it isn't. Salt is too heavy to evaporate.

There are many types of air masses. The three main ones are polar, continental, and tropical.

A maritime tropical air mass is an air mass that was formed over a tropical ocean. The characteristics of the air mass would be wet and humid.

4 0

3 years ago

The following questions present a twist on the scenario above to test your understanding. Suppose another stone is thrown horizo

Ipatiy [6.2K]

The first part of the text is missing, you can find on google:

"A ball is thrown horizontally from the roof of a building 45 m. If it strikes the ground 56 m away, find the following values."

Let's now solve the different parts.

(a) 3.03 s

The time of flight can be found by analyzing the vertical motion only. The vertical displacement at time t is given by

$y(t) = h -\frac{1}{2}gt^2$

where

h = 45 m is the initial height

g = 9.8 m/s^2 is the acceleration of gravity

When y=0, the ball reaches the ground, so the time taken for this to happen can be found by substituting y=0 and solving for the time:

$0=h-\frac{1}{2}gt^2\\t=\sqrt{\frac{2h}{g}}=\sqrt{\frac{2(45)}{9.8}}=3.03 s$

(b) 18.5 m/s

For this part, we need to analyze the horizontal motion only, which is a uniform motion at constant speed.

The horizontal position is given by

$x=v_x t$

where

$v_x$ is the horizontal speed, which is constant

t is the time

At t = 3.03 s (time of flight), we know that the horizontal position is x = 56 m. By substituting these numbers and solving for vx, we find the horizontal speed:

$v_x = \frac{x}{t}=\frac{56}{3.03}=18.5 m/s$

The ball was thrown horizontally: this means that its initial vertical speed was zero, so 18.5 m/s was also its initial overall speed.

(c) 35.0 m/s at 58.1 degrees below the horizontal

At the impact, we know that the horizontal speed is still the same:

$v_x = 18.5 m/s$

we need to find the vertical velocity. This can be done by using the equation

$v_y = u_y -gt$

where

$u_y =0$ is the initial vertical velocity

g is the acceleration of gravity

t is the time

Substituting t = 3.03 s, we find the vertical velocity at the time of impact:

$v_y = -(9.8)(3.03)=-29.7 m/s$

So the magnitude of the velocity at the impact (so, the speed at the impact) is

$v=\sqrt{v_x^2+v_y^2}=\sqrt{18.5^2+(-29.7)^2}=35.0 m/s$

The angle instead can be found as:

$\theta=tan^{-1}(\frac{v_y}{v_x})=tan^{-1}(\frac{-29.7}{18.5})=-58.1^{\circ}$

so, 58.1 degrees below the horizontal.

4 0

3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Vanyuwa [196]

A build up of charges on a sock from a dryer

5 0

3 years ago

During summer in the northern hemisphere _____.

Kipish [7]

For part of our orbit the northern half of Earth is tilted toward the Sun. This is summer in the northern hemisphere; there are longer periods of daylight, the Sun is higher in the sky, and the Sun's rays strike the surface more directly, giving us warmer temperatures

7 0

3 years ago

A force of 1.00 x 10^2 pounds acts at an angle of 60.0° to the x-axis. (The force is accurate to 3 significant figures.) What ar

tamaranim1 [39]

Answer:

Fx= 50.0 Pounds : Components of the force along the x-axis

Fy= 86.6 Pounds : Component of the force along the y-axis

Explanation:

Conceptual Analysis

To find the components (Fx, Fy) of the total force (F), we apply the trigonometric concepts for a right triangle, where the perpendicular sides of the triangle are the components (Fx, Fy) of the force (F), the hypotenuse (h) is the magnitude of the total force F and β is the angle that forms the horizontal component with the hypotenuse.

Formulas

cos β : x/h : x: side adjacent to the β angle h: hypotenuse (1)

sin β = y/h : y: side opposite to the β angle h: hypotenuse (2)

Known Data

Known data

F= 1.00 * 10² pounds = 100 pounds : magnitude of total force

β = 60.0° to the x-axis. : Angle that forms the force with the x-axis

Problem Development

We apply the formula 1 to calculate horizontal component (Fx)

cos β :Fx/F

Fx= F cosβ = 100*cos 60° = 50.0 Pounds

We apply the formula 2 to calculate vertical component (Fy)

sin β = Fy/F

Fy= F sinβ = 100*sin 60° = 86.6 Pounds

6 0

4 years ago