[2012-Oct-08] Better aim

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Expand view Topic review: [2012-Oct-08] Better aim

Re: [2012-October-8] Better aim

Post by FarleShadow » Wed Oct 10, 2012 2:18 am

Physicists and Penis.
This could go on all night.





....DND is like that.

Re: [2012-October-8] Better aim

Post by gemeric » Tue Oct 09, 2012 11:06 pm

Maze1125 wrote:Not to mention that a penis is not a free hanging rope. It is tethered asymmetrically to the body and is made of non-simple material. Which is easily enough to off-put the angle of incident by far more the rotation of the Earth.


Wait, so your penis isn't supposed to be like a free hanging rope?

Re: [2012-October-8] Better aim

Post by dud1337 » Tue Oct 09, 2012 3:26 pm

My biggest flaw was neglecting the strong possibility of it being a rigid body.

Re: [2012-October-8] Better aim

Post by Lethal Interjection » Tue Oct 09, 2012 2:51 pm

You made a mistake.


The earth isn't a sphere.

Re: [2012-October-8] Better aim

Post by CaptainCrunk » Tue Oct 09, 2012 4:55 am

How do you know that the guy doesn't have a prosthetic dong made from rope? We're getting a little presumptuous here, aren't we?

Re: [2012-October-8] Better aim

Post by Maze1125 » Mon Oct 08, 2012 11:23 pm

Not to mention that a penis is not a free hanging rope. It is tethered asymmetrically to the body and is made of non-simple material. Which is easily enough to off-put the angle of incident by far more the rotation of the Earth.

Re: [2012-October-8] Better aim

Post by thejakeman » Mon Oct 08, 2012 10:56 pm

But can you explain why kids love cinnamon toast crunch?

[2012-Oct-08] Better aim

Post by dud1337 » Mon Oct 08, 2012 8:57 pm

Because of the spin of the earth, we are in a rotating frame of approximately constant angular velocity (2pi/1 day).

Like any accelerating frame, this causes 'fictitious forces' relative to a (clasically) inertial frame. E.G. Being a car that makes a fast right, you feel pushed to the left.

For a stationary object (e.g. A wang hanging from a be-doublechaired individual) in a rotationing frame, the equation of motion in this frame is nicely pretty simple as;
Image

Now, as we expect, for a hanging object, like a pendulum, or a wang, will hang in the direction of the field.
For us the direction of this field is only concerned with gravity (i.e. that is the only inertial force -which isn't a force of constraint from the bonds in the molecules in your wang - One could involve tension in the calculation and get the angle, but this is a forum post and I'm sure you don't care))

Image
This g* is in the same direction as the wang hang.

Image
This image of the earth (Credit: NASA), shows the position of the wang, r, and the angular velocity vector ω (this is an "axial" vector so you are spinning around the arrow), it is not hard from here to compute what we need. (Note that real g is in the same direction as r (negative, of course))

Computing the cross products, we obtain,
Image

Visually,
Image
The difference is exaggerated, but as you can see, theta* does not point to the center!
Despite the difference in the angle being small, the difference in position, when you eventually burrow through the earth to give it one, will be sufficient enough for you to miss the hidden womb of immortality.

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