How?

How can we expose more people to critical thinking?
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ed
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Re: How?

Post by ed »

robinson wrote:
Sat Apr 18, 2020 7:21 pm
And compared to a much less powerful gun, is there a difference in time before the bullets hit the ground?

If so, what is it? And why?
a bullet dropped from the height of the muzzle will hit the ground at the same time as one fired parallel to the ground.
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Rob Lister
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Re: How?

Post by Rob Lister »

tell us more!

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ed
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Re: How?

Post by ed »

Thats enough for today. I would not want your head to explode.
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robinson
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Re: How?

Post by robinson »

But will the time vary based on velocity of the bullet?
oh really?

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Re: How?

Post by robinson »

You see? You didn’t answer the question.
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ed
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Re: How?

Post by ed »

No. The horizontal moment has nothing to do with gravitationL attraction


These bozos didn't believe me either until I kicked their asses.
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robinson
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Re: How?

Post by robinson »

ed wrote:
Sat Apr 18, 2020 10:08 pm
No. The horizontal moment has nothing to do with gravitationL attraction
I knew that. Just wanted to see if you would answer simple questions
oh really?

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robinson
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Re: How?

Post by robinson »

When I was young and learned about orbital mechanics, I found it hard to believe that everything in orbit was falling towards the earth.

Why the objects didn’t hit the earth, that part was really hard to believe
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Abdul Alhazred
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Re: How?

Post by Abdul Alhazred »

Hey robinson! Going for #2,000,000 now? :roll:
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Re: How?

Post by robinson »

That is never going to happen.
oh really?

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robinson
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Re: How?

Post by robinson »

ed wrote:
Sat Apr 18, 2020 7:49 pm
a bullet dropped from the height of the muzzle will hit the ground at the same time as one fired parallel to the ground.
That's mostly true, except for very high powered ones. Turns out they hit a tiny bit later. Because physics
oh really?

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sparks
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Re: How?

Post by sparks »

Evidences?
You can lead them to knowledge, but you can't make them think.

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Re: How?

Post by robinson »

Physics!
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Re: How?

Post by sparks »

Insufficient response.
You can lead them to knowledge, but you can't make them think.

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Rob Lister
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Re: How?

Post by Rob Lister »

Magnets?

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robinson
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Re: How?

Post by robinson »

If the earth was actually flat, no matter how high the velocity of a bullet, it would simply fall and hit at the same time as any other bullet, moving or not.

That Physics.

But the earth is not actually flat.

Which is why something can reach "orbital velocity", which means even though it's falling (just like a bullet), it never hits, because the earth isn't flat.

Low earth orbit this is 17,500 miles per hour.

While a 14.5×114mm round fired flat won't even come close to orbit, it does travel far enough that the curve of the earth means it hits slightly later than a bullet just dropped from the same height.

Most people absolutely don't care about this at all. Those that do will now argue why I am wrong.
oh really?

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robinson
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Re: How?

Post by robinson »

The question actually isn't as stated below

Image

The real question is how can you, yes you, cause anyone, forget multiple people, how can you get any single person to think critically? To be skeptical? Or to even just consider they might be wrong about one simple thing?

I say it's almost impossible.
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Re: How?

Post by robinson »

Forget "exposure", if you have ever tried, with good faith and the best intentions, to try and school somebody on the internet, you probably know already exactly what I mean.

It's not much different in real life.

I'm not talking about simple practical matters, like why you should use a phillips head instead of a flat head, or what socket set lasts the longest (Craftsman), or how to open a pickle jar.

I'm speaking of contentious and personal matters, or even just scientific ones.
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gnome
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Re: How?

Post by gnome »

ed wrote:
Sat Apr 18, 2020 6:39 pm
I think your AGW thread was good, turgid and stultifying, but good.

Thing is I don't care so I didn't read it all. And if you don't take a position of some sort, it leaves an audience, at the end, smiling unsurely and saying oooooooookkkkkkkkkkkaaaaaaaaaaaaaaaaaaaaaayyyyyyyyyyyyyyy

Like waddaya want from me? What is there to discuss? Even if I cared, what am I going to write about? Ancient carbon levels? Really?
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ed
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Re: How?

Post by ed »

robinson wrote:
Tue Apr 21, 2020 10:06 am
If the earth was actually flat, no matter how high the velocity of a bullet, it would simply fall and hit at the same time as any other bullet, moving or not.

That Physics.

But the earth is not actually flat.

Which is why something can reach "orbital velocity", which means even though it's falling (just like a bullet), it never hits, because the earth isn't flat.

Low earth orbit this is 17,500 miles per hour.

While a 14.5×114mm round fired flat won't even come close to orbit, it does travel far enough that the curve of the earth means it hits slightly later than a bullet just dropped from the same height.

Most people absolutely don't care about this at all. Those that do will now argue why I am wrong.
You are right and it happens in every case, not just when some "mystical velocity" is reached (Vm).

The reason is that, because of the curvature of the earth, the ground falls away, as it were, the further from the muzzle the bullet travels.
So while the bullet dropped from your sweaty, inconsequential fingers, covers a distance D, the fired bullet travels D + x, where x is the deviation of the earth's surface from a tangent line (plus height of the muzzle) at the point of firing.

Good show, Robinson. Your ignorance (not meant in the least way as a pejorative) has advanced the understanding of all, and perhaps won a few bar bets.

Any mention of the lack of spherality of the earth or of local geophysical deviations will be rewarded with a hefty sac-kick, thus :De_Bunk:
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