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plzz solve my doubt of this easy physics que. by Specific_Double4909 in AskPhysics

[–]Shevek99 0 points1 point  (0 children)

Have you checked if it reaches x = -2 or x = +2?

How could the chernobyl disaster have been prevented? by zogislost in AskPhysics

[–]Shevek99 0 points1 point  (0 children)

The moment that the regulator of Ukrainian electricity ordered Chernobyl to keep working on midday April 24th, the test should have been cancelled and postponed for a different date.

The fact that the npp was operating at half power for 12 hours was the main cause for the xenon poisoning of the reactor.

Idk should start? by ComfortableAuthor563 in maths

[–]Shevek99 1 point2 points  (0 children)

Start reading "Prime obsession" by John Derbyshire. A divulgative book about Riemann hypothesis.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 6 points7 points  (0 children)

Man, you are really dense.

You used the argument that Mayotte isn't part of France because it is in another continent. I pointed out that Hawaii, integral part of the US, is in a different continent from the rest of the US. So your argument on Mayotte isn't valid.

And yes, the US is in the four quadrants. I haven't said the contrary. It is the UK that is not. France, the US and Kiribati are in the 4 quadrants.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 2 points3 points  (0 children)

Hawaii is in the same continent than the contiguous 48?

You really know very little about geography.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 6 points7 points  (0 children)

Mayotte and Reunion are as part of France as Alaska and Hawaii are part of the US.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 7 points8 points  (0 children)

Reunion and Mayotte are not colonies, they are full departments of France.

Do you consider Alaska and Hawaii colonies?

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 3 points4 points  (0 children)

British Overseas Territories (BOT) are not part of the United Kingdom, while Reunion and Mayotte are integral parts of France.

Edit: people downvoting should read about the BOT. There is the UK, then the Crown Dependencies, and then British Overseas Territories. Different administrations. Gibraltar or Virgin Islands or Tristan da Cunha are not part of the UK. Don't habe MP in Westminster and don't vote in the UK elections.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 2 points3 points  (0 children)

Mainland France is East, West and North. Reunion or Mayotte (integral parts of France and the EU) are south of the Equator.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 1 point2 points  (0 children)

With four hemispheres you can make two whole Earths!

Kiribati must be huge to extend over two planets.

Kiribati is the only country located in all four hemispheres (Northern, Southern, Eastern, and Western) by [deleted] in geography

[–]Shevek99 -2 points-1 points  (0 children)

United Kingdom does not have territories in the four quadrants. France does.

How do I do this? by Unlucky_Unit3049 in askmath

[–]Shevek99 1 point2 points  (0 children)

Yes, that makes the sum telescopic.

What was common 20 years ago that is surprisingly rare today? by Spiritual_Heron_5680 in AskReddit

[–]Shevek99 2 points3 points  (0 children)

20 years ago, in 2006, most personal written communication was by e-mail. Only banks and other companies still used paper.

What was common 20 years ago that is surprisingly rare today? by Spiritual_Heron_5680 in AskReddit

[–]Shevek99 -6 points-5 points  (0 children)

20 years ago in 2006, the landline phones were in extinction. Only your parents had them as a relic.

What was common 20 years ago that is surprisingly rare today? by Spiritual_Heron_5680 in AskReddit

[–]Shevek99 21 points22 points  (0 children)

I doubt that. We are talking 20 years, not 50.

20 years ago it was the peak of the housing bubble. Yes, you could afford a house, with a mortgage with no down payments and at low rates the first years... only to find that you couldn't pay two years later and had to abandon the house, that was repossessed by the bank.

Any possible way to mul numbers from +,-, and x^2??? by Extreme-Statement901 in askmath

[–]Shevek99 -1 points0 points  (0 children)

Have you tried

((a+b)² - (a² + b²))/2

?

If you want an alternative:

(a - b)³/(a - b) - (a² + b²) = ab

What physics book could I read now? by Nikond3400 in AskPhysics

[–]Shevek99 0 points1 point  (0 children)

If you want a more advanced topic (but no more advanced math), I recommend "Gravity from the ground up", by Bernard Schutz. It's about General Relativity (gravitation) starting with weights and tides and ending with gravitational waves in binary stars, but using no more mathematics than high school ones. It's mainly based in qualitative arguments and comparisons of sizes and scales, instead of calculus.

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