3 years ago

Estimate how much solar energy reaches the earth per year (in Joule).

1 answer:

4 0

Each hour 430 quintillion Joules of energy from the sun hits the Earth.

In a year it is very hard to determine because of the night and different light levels.

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azamat

Explanation:

Q1) What is the speed of the tip of the minute hand of a clock where the hand is of length 7cm?

Ans1) speed, v=st=2πrT=2×227×7×10-260×60=119×10-4=1.22×10-4m/s

<h2>Hope it helps</h2>

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3 years ago

olganol [36]

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Sveta_85 [38]

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3 years ago

drek231 [11]

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1 year ago

Alexeev081 [22]

I think its D answer

sorry I dont have explanation but I think its D

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2 years ago