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all 30 comments

[–]therealduffin 49 points50 points ago

While Calvin's Dad was undoubtedly the original troll dad, this is a bad example as it is actually true.

[–]alejo699 4 points5 points ago

Regardless, it makes my head hurt, and the fact that Dad told it to Calvin, a six(ish) year old kid means he was fucking with his mind. Troll Dad.

[–]FishBonePendant 7 points8 points ago

My grandpa told me imagine a door in a walkway and how the outer point of the door traveled 5 times as far as the innermost point.

Now what if the outer point moved the smallest distance possible.

Not the smallest distance that can be measured, the smallest distance possible

Does the innermost point move? And if so how much?

[–]PantheraAtrox 1 point2 points ago

well yes, but not really. sorry.

[–]furtiveraccoon 0 points1 point ago

Trolling doesn't apply when you're correct, and you are most correct!

Although, let's not get into angular velocity...

[–]Abnmlguru 19 points20 points ago

fucking angular velocity, how does that work?

[–]PeskyCanadian 10 points11 points ago

Not as confusing as fucking magnets.

[–]Disposable_Face 4 points5 points ago

fucking conversion of rotational motion to linear motion, that's how

[–]FalseAlarmEveryone 4 points5 points ago

Fucking kinematics and shit.

[–]bentmachine -1 points0 points ago

fuck thermodynamics. just walked out of the final exam barely alive

[–]mufasa27 2 points3 points ago

Tyler Durden never worried about records

[–]carlosmal 1 point2 points ago

Can someone explain this to me in detail? I'm kinda like Calvin right now.

[–]ProfCrastinator 6 points7 points ago

Angular velocity is constant along a radius but the tangential velocity is a function of the radius and therefore changes with distance from the centre of rotation.

[–]namith 4 points5 points ago

Put a string in a perfect circle atop something spinning. Put another string in another circle farther out. Take the two strings off and pull them straight. The one that was farther out is longer than the other.

But if a disc is spinning, the point farther out completes a rotation in the same length of time as the point farther in. That means it has to move faster to cover the greater total distance.

[–]kevindqc 0 points1 point ago

What happens if you move the inner point at the speed of light?

[–]namith -1 points0 points ago

Well that gets into relativity, but I am under the impression that time would change to prevent either point from actually going the speed of light.

[–]kevindqc 2 points3 points ago

Magic. Got it.

[–]namith 0 points1 point ago

As it turns out, physics does actually work by magic.

[–]Luvs_to_drink 1 point2 points ago

I can't find the troll, can some explain where in the comic he is trolling cuz all I see is him educating his son.

[–]Buscat 3 points4 points ago

v = omega*R

nothing "troll" about it.

[–]selfish_sheller 1 point2 points ago

I learned this in Statics. my brain almost exploded.

[–]fastjeff 0 points1 point ago

Doesn't matter the speed, the groove the needles sits in matters.

My question would be how much bigger the record would have to be before the needle can't transmit the vibrations to play the music.

[–]candlejack303 0 points1 point ago

Please enjoy this well earned upvote just because Calvin and Hobbes is my favorite comic of all time.

[–]CCNeverender 0 points1 point ago

this is simple logic...

[–]smallscat -1 points0 points ago

As a drummer, this is how it went when my dad tried to show me how to disassemble a guitar, put new humbuckers in, and reassemble it.

[–]thegoodvibe -1 points0 points ago

As a non math major: Fuck you

[–]Nightmare13 -1 points0 points ago

Re-re-re-repost.