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Elis [28]
3 years ago
11

Nuclear winter story. A crazy president is trying to solve the global warming problem and has successfully built a powerful H-bo

mb. The idea is to lift enough dust and soot off the ground and form a bright scattering layer in the upper troposphere and stratosphere. This is called the ""Nuclear Winter"" scenario that was originated five decades ago before the cold war. Let us assume that country recently has built the largest bomb in the history that is equivalent to 100 megatons of TNT per bomb.
Physics
1 answer:
Irina18 [472]3 years ago
6 0

Answer:

A nuclear winter is a climatic phenomenon that would follow the detonation of several atomic bombs in the event that a nuclear war broke out. These bombs would cause firestorms that would raise smoke, dust and particles into the atmosphere that would end up in the stratosphere and eventually spread throughout the globe.

Explanation:

That idea is far fetched, because even though those same particles would absorb sunlight, it would raise the temperature in the stratosphere and cause a decrease in temperature in the Earth's layer. Unable to seep the sun's rays, many plant species would die and this would affect the entire food chain.

In addition, that temperature rise in the stratosphere would destroy part of the ozone layer, causing greater exposure to ultraviolet rays. This would end up affecting health and further damaging plant species.

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The Earth is instantly replaced in its orbit by a speck of dust. Which statement best describes the subsequent orbital motion of
Alik [6]

The correct statement is:

The dust particle will move to a larger orbit and orbit the Sun in more than 1 year.

In fact, the dust particle has smaller mass than the Earth, therefore the gravitational attraction exerted by the Sun on the dust will be smaller, according to the formula of the gravitational force:

F=G\frac{M_S m}{r^2}

where G is the gravitational constant, MS is the Sun mass, m is the mass of the Earth (at first) and then of the dust particle (later), and r is the distance from the Sun. When we replace the Earth with the dust particle we see that m decreases, so the gravitational force F decreases, and the particle will move to a larger orbit. Then its orbital period will increase, according to the third law of Kepler, which states that the square of the orbital period is proportional to the cube of the orbital radius:

T^2 \sim r^3

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5 0
3 years ago
A 350kg motorcycle is moving at 20m/s. It then speeds up to 30m/s. How much work did the engine do to accelerate?
xeze [42]

Answer:

momentum= mass× velocity

=350kg (30-20) m/s

=3500kgm/s

8 0
3 years ago
What is speed of third cosmic velocity?
slava [35]
It's about 42 km/s! (kilometers per second) Hope I helped! :)
4 0
3 years ago
The study of alternating electric current requires the solutions of equations of the form i equals Upper I Subscript max Baselin
KiRa [710]

Answer:

Explanation:

i = Imax sin2πft

given i = 180 , Imax = 200 , f = 50  , t = ?

Put the give values in the equation above

180 = 200 sin 2πft

sin 2πft = .9

sin2π x 50t = .9

sin 360 x 50 t = sin ( 360n + 64 )

360 x 50 t = 360n + 64

360 x 50 t =  64 ,  ( putting n = 0 for least value of t )

18000 t = 64

t = 3.55 ms  .

8 0
3 years ago
In the attachment there is a density column where there is colour
Anettt [7]

Answer:

For your kind information, read the question thoroughly!

The bottom is the container part and not the liquid.

I hope it will be useful.

4 0
3 years ago
Read 2 more answers
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