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comment What is the average total heat incident on Earth's surface each hour?
Does this answer your question: en.wikipedia.org/wiki/Earth%27s_energy_budget The values are in Watts, but just multiply by time (in seconds) to get heatin Joules and then convert to calories.
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comment Using resistance and temperature coefficient formula
In your example the $\Delta T$ is of course different if you have different denominator $R_0$ in the equation. R_0 is always the value you read for the reference temperature and R is what you have measured.
Jun
29
answered Using resistance and temperature coefficient formula
Jun
29
answered Can planes generate enough force to displace cloud, such that the displacement is visible from the ground?
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28
comment The two-body problem: What is force between them?
Did you do a search for two-body problem?
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Apr
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revised How to calculate the evaporative cooling rate needed to protect a house from forest fire
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Apr
14
answered How to calculate the evaporative cooling rate needed to protect a house from forest fire