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3 years ago

14

Locations near the equator _____. are warm in the summer and cold in the winter experience four distinct seasons throughout the

year experience little change in weather throughout the year receive little precipitation

1 answer:

11111nata11111 [884]3 years ago

5 0

I believe the answer is. A.

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

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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 :

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b) $E = m\times c^2$

E = Energy from converted mass of m

c = speed of light

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

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.

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

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

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