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zloy xaker [14]
3 years ago
13

A projectile is able to orbit the Earth at what speed?

Geography
1 answer:
Sophie [7]3 years ago
7 0

about 8000 m/s

It so happens that the vertical distance that a horizontally launched projectile would fall in its first second is approximately 5 meters (0.5*g*t2). For this reason, a projectile launched horizontally with a speed of about 8000 m/s will be capable of orbiting the earth in a circular path.

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The decay of radioactive elements such as uranium creates ______, especially in Earth's crust, where these elements are abundant
Natalija [7]

Based on the knowledge about radioactive elements, the decay of radioactive elements such as uranium creates heat especially in Earth's crust, where these elements are abundant.

<h3>What are radioactive elements?</h3>

Radioactive elements are elements which undergo spontaneous decay of their nucleus and in the process produce elements with smaller atomic masses with the release of radiation and heat.

Examples of radioactive elements include uranium and radium.

Therefore, the decay of radioactive elements such as uranium creates heat especially in Earth's crust, where these elements are abundant.

Learn more about radioactive elements at: brainly.com/question/18640165

7 0
3 years ago
Write a 3 to 4 paragraph essay of how you would convince a logger from illegally cutting down trees? Provide logical reasons to
Phoenix [80]

Answer:

In the past years, nature has been rapidly deteriorating due to human actions. One of the most prominent issues is deforestation. We as humans depend on trees to provide lumber, paper, and much more but at the same time trees also provide us with oxygen, prevent soil erosion, and provide a habitat for many species of animals.

The Amazon Rainforest is the home to billions of organisms and thousands of species. As we continue to destroy the habitat of these species, we are causing many of them to become endangered and even extinct. Though the death of a few birds or trees may not seem significant, everything in our planet is connected in some way. The extinction of one species can cause a major gap in the food web, impacting the entire ecosystem. For example, deforesting the habitat of birds will cause them to more easily be captured by their predators. The predator population will then grow exponentially, but because the bird population is decreasing the predator population will eventually die out. Since now there are no predators at all in the area for pests such as mice, these pests can no infest agricultural farms killing crops. Without these crops we humans cannot survive, so in the end us humans will be the ones impacted by our own actions. This example may seem like an exaggerated example to many, but when you take a look back at the major famines throughout history you will be able to see the trend.

It is understandable that many people depend on logging to make a living for themselves and their families. but other selfish people just want the best for themselves. In order to combat these two problems we must persuade governments to put harsher laws in place for those who illegally damage environment for their own benefits, and provide support to those whose jobs may be at risk due to environmental protection regulations. If the greedy are punished for their actions, it will keep them from deforesting more trees. As for the loggers, if the government can provide basic or vocational education to those people so they have the ability to work in other fields (can be related to logging like environmental protection or something different that won't harm the environment), then it will allow the people affected to smoothly transition to another style of living that won't harm the environment.

Explanation:

You first need to provide some scientific and specific evidence for what logging is doing to the environment for some credibility. Afterwards you need to explain <em>why</em> people should care about those impacts. Then in the end make sure to state the stakeholders and provide a few examples of how they can benefit from slowing down deforestation.

3 0
2 years ago
In general, what are the himalayan mountains composed of:____.
Dmitrij [34]

In general, what are the himalayan mountains composed of: folded and bent rock.

  • The geology of the Himalayas is a record of the most dramatic and visible creations of the immense mountain range formed by plate tectonic forces and sculpted by weathering and erosion.
  • The Himalayas, which stretch over 2400 km between the Namcha Barwa syntaxis at the eastern end of the mountain range and the Nanga Parbat syntaxis at the western end, are the result of an ongoing orogeny — the collision of the continental crust of two tectonic plates, namely, the Indian Plate thrusting into the Eurasian Plate.
  • The Himalaya-Tibet region supplies fresh water for more than one-fifth of the world population, and accounts for a quarter of the global sedimentary budget.

to know more about  weathering click here

brainly.com/question/14426457

#SPJ4

3 0
1 year ago
Express the answer in scientific notation. What is the pressure, in N/m2, at a depth of 50 km in the continental crust?
julia-pushkina [17]

Answer:

1.422\times 10^9 N/m²

Explanation:

pressure (P) =  ρ g h

where ρ= density of continental crust

          g= acceleration due to gravity

          h is the depth given

density of continental crust is equal to 2.9 g/cm³

    = \frac{2.9\times 10^{-3}}{10^{-6} } =2.9\times 10^3 kg/m^3

g=9.81 m/s²

height = 50,000 m

now,

pressure (P) = ρ g h

pressure (P) =2.9\times 10^3\times 9.81\times 50000

                    =1.422\times 10^9 N/m²

6 0
3 years ago
All of these are major issues facing governments in Africa EXCEPT
Trava [24]
The answer is D
hope it helps ;)

8 0
3 years ago
Read 2 more answers
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