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IgorLugansk [536]
2 years ago
11

First, explain why space waste is a problem. Then, describe Daan Roosegaarde's plan to address this problem. Do you think his pl

an will solve the problem? Why or why not? Use facts and details from the Article in your answer.
Geography
1 answer:
natali 33 [55]2 years ago
5 0

Answer:

Space junk can damage satellites and can be lethal to astronauts.

Explanation:

Most of the object considered space waste are very small and travel around the Earth at high speed. Because of this, they can be dangerous for launch vehicles, satellites, the International Space Station and any manned mission should they collide with a spaceship.

The plan proposed by Roosegaarde to reduce space junk starts with a public awareness program that helps inform the public about the reality of space junk.

The eventual plan to end the space waste problem is to upcycle the debris floating around the planet. I think with the use of new technologies it will certainly be possible to eventually eliminate space waste.

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In nuclear fission and fusion reactions mass is converted into energy. The average person in US uses around 100,000,000 J of ene
daser333 [38]

Answer:

a) The yearly energy consumption for a US population of 300 million is 3\times 10^{16} J/year

b) The energy that would be released if a 60 kg person were converted entirely into energy is 5.4\times 10^{18} Joules.

c) 180 years would this amount of energy support a population of 300 million.

Explanation:

a) Average energy consumed by single person of US = 100,000,000 J/year

Then 300 million US citizen will consume:

300 million = 300 × 1,000,000 = 3\times 10^8

The yearly energy consumption for a US population :

100,000,000 J/year\times 3\times 10^8=3\times 10^{16} J/year

The yearly energy consumption for a US population of 300 million is 3\times 10^{16} J/year

b) E = m\times c^2

E = Energy from converted mass of m

c = speed of light

Given mass of person = m = 60 kg

E=60 kg\times (3\times 10^8 m/s)^2 = 5.4\times 10^{18} J

c) Energy calculated in part (b) = E=5.4\times 10^{18} J

The yearly energy consumption for a US population  of 300 million in an year = 3\times 10^{16} J/year

Let the that would be supported by 5.4\times 10^{18} Joules of energy be x.

x\times 3\times 10^{16} J/year=5.4\times 10^{18} J

x=\frac{5.4\times 10^{18} J}{3\times 10^{16} J/year}=180 years

180 years would this amount of energy support a population of 300 million.

4 0
2 years ago
Which dating method would be MOST appropriate for establishing the age of a volcanic ash layer from an early hominid site in eas
GenaCL600 [577]

Answer:

potassium-argon dating

Explanation:

Potassium-argon (K-Ar) dating technique is the most appropriate dating method for establishing the age of a volcanic ash. It is most applicable for dating minerals and rocks more than 100,000 years old.  It is based on measuring the product of the radioactive decay of an isotope of potassium (k) into argon (Ar). Since potassium is a common element found in many volcanic ash layer, the time since re-crystallization is calculated by measuring the ratio of the amount of argon 40 (Ar-40) accumulated to the amount of potassium 40 (K-40) remaining in these volcanic ashes.

4 0
2 years ago
How did European diseases affect the people of the Western Hemisphere? Why was this different from the effects in Europe? (two p
Tomtit [17]

Answer:

The European diseases affected the people of the Western Hemisphere greatly. Outbreaks of various diseases brought by the Europeans to the Americas such as smallpox, influenza, malaria, diphtheria, etc. It killed many of the Native Americans and disrupted their societies. Due to the diseases having been in Europe for a longer time, the people got more immune to them, however, this was the first time the Native Americans were exposed to it.

Due to them not being immune, the mortality rate for a Native American catching a disease was extremely high, much higher than they would have been if it was already introduced. The Native Americans also had very limited health care therefore were not able to be treated as well as the Europeans. Because of this, the diseases affected them for much longer periods of time.

5 0
2 years ago
What measures does San Fransisco have in place to prevent earthquake damage?
MariettaO [177]

Answer:

As San Francisco and other cities in the Bay Area commemorate the anniversary of the 1989 Loma Prieta earthquake, we are reminded once again of the need to get prepared for the next natural disaster. The 6.9 magnitude earthquake not only resulted in collapsed homes, displacement of residents, but it also was a terrifying reminder of the need to reinforce the structures we use every single day.

I hope this helped, have an awesome day!

7 0
2 years ago
How does the lithosphere behave as a system
vesna_86 [32]
"The lithosphere is subdivided into tectonic plates. The upper part of the lithosphere which chemically reacts to the atmosphere, hydrosphere and biosphere through the soil forming process is called the pedosphere. The lithosphere is underlain by the athenosphere which is the weaker, hotter, deeper part of the upper mantle." 
8 0
3 years ago
Read 2 more answers
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