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ELEN [110]
3 years ago
15

Is there a definite end to our atmosphere?

Physics
1 answer:
Irina18 [472]3 years ago
7 0
There is no definite end to earths atmosphere, but technically the border between the outer space and earth gets thinner as you move up from the earths surface. The Karman line is the closest definition there is which describes the end of the earth's atmosphere, it is 100 km above earth's sea level at approximately 1.56 % of total earth's radius. This describes the boundary between the outer space and the atmosphere.
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A charge of 6.7 x 10 coulombs is located at a point where its potential energy is 5.6 x 10-12 joules. What is the electric poten
Georgia [21]

6.7 X 10 = 670

5.6 X 10 - 12 =44

714

5 0
3 years ago
The Burj Khalifa is the tallest building in the world at 828 m. How much work would a man with a weight of 700 N do if he climbe
8090 [49]

Answer:

579600J

Explanation:

Given parameters:

Height of the building  = 828m

Weight of the man  = 700N

Unknown:

Work done by the man  = ?

Solution:

The work done by the man is the same as the potential energy expended.

Work done:

            Work done  = Weight x height  = 700 x 828

       Work done  = 579600J

7 0
3 years ago
Each year, about 1.2 million cases of skin cancer are reported worldwide. An increased exposure to environmental conditions is a
crimeas [40]

Answer:

a

Explanation:

7 0
3 years ago
Two motorcyclists are riding side-by-side at night and the distance between their center-mounted headlights is 1.40 m. (a) If th
dezoksy [38]

Answer:

θ = 1.591 10⁻² rad

Explanation:

For this exercise we must suppose a criterion when two light sources are considered separated, we use the most common criterion the Rayleigh criterion that establishes that two light sources are separated census the central maximum of one of them coincides with the first minimum of the other source

         

Let's write the diffraction equation for a slit

       a sin θ = m λ

The first minimum occurs for m = 1, also field in these we experience the angles are very small, we can approximate the sin θ = θ

             θ = λ / a

In our case, the pupil is circular, so the system must be solved in polar coordinates, so a numerical constant is introduced.

           θ = 1.22 λ / D

Where D is the diameter of the pupil

 Let's apply this equation to our case

        θ = 1.22 600 10⁻⁹ / 0.460 10⁻²

        θ = 1.591 10⁻² rad

This is the angle separation to solve the two light sources

6 0
3 years ago
Draw a diagram of the water cycle. Be sure to label the following steps: precipitation, condensation, evaporation, transpiration
ale4655 [162]

Explanation:

Surface runoff: Excessive water collected on the land due to rains, storms, water melts and from other sources flows over the earth surface.

Transpiration: Moisture in the plants are absorbed by the roots and distributed in all the parts of plant. Moisture present in the underside of the leaves get converted into water vapors and releases in atmosphere

Evaporation : In this process , liquid state of water is converted into gaseous state of water that is water vapors.

Condensation: After evaporation , the water vapors rises up towards the sky. As they rise in the atmosphere the temperature decrease due which these water vapors stars getting converted into small water droplets. These small water drops combines with particles of dust , gas to form clouds

Precipitation: Water released from the clouds in the form of rain.

7 0
4 years ago
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