1 infinite loop charges

But if it was. Why are elementwise additions much faster in separate loops than in a combined loop? The electric field for a line charge is given by the general expression, \[\vec{E}(P) = \dfrac{1}{4\pi \epsilon_0} \int_{line} \dfrac{\lambda dl}{r^2}\hat{r}. Find the electric field at a point on the axis passing through the center of the ring. The configuration of charge differential elements for a (a) line charge, (b) sheet of charge, and (c) a volume of charge. \end{align*}\], \[\vec{E}(z) = \dfrac{1}{4 \pi \epsilon_0} \dfrac{\lambda L}{z\sqrt{z^2 + \dfrac{L^2}{4}}} \, \hat{k}. Scroll down past the message and tap on the Apple Pay button. To understand why this happens, imagine being placed above an infinite plane of constant charge. 4.2 volt maximum cell voltage: R5 = 100K and R6 = 100K. In the limit LL, on the other hand, we get the field of an infinite straight wire, which is a straight wire whose length is much, much greater than either of its other dimensions, and also much, much greater than the distance at which the field is to be calculated: An interesting artifact of this infinite limit is that we have lost the usual 1/r21/r2 dependence that we are used to. similar charges. endstream endobj 42 0 obj <> endobj 43 0 obj <> endobj 44 0 obj <>stream The symmetry of the situation (our choice of the two identical differential pieces of charge) implies the horizontal (x)-components of the field cancel, so that the net field points in the $z$-direction. Again, \[ \begin{align*} \cos \, \theta &= \dfrac{z}{r} \\[4pt] &= \dfrac{z}{(z^2 + x^2)^{1/2}}. So if you had Fling.com or any possibly similar monthly membership, or if you still have it, this is where your charges are coming from. When you receive money, it goes onto your Apple Cash card. We will check the expression we get to see if it meets this expectation. If we integrated along the entire length, we would pick up an erroneous factor of 2. 201x1 Ex a Z Poly! Make sure your iDevice is plugged into a power source via it's USB cable; Hold down both Home and Power buttons on the iDevice for about 10 seconds until the screen goes off; Keep holding the Home button and release the Power button; Open iTunes to check if the iDevice is connected. Find the electric field a distance $z$ above the midpoint of an infinite line of charge that carries a uniform line charge density $\lambda$. You can only send or receive up to $3,000 per message, and $10,000 within a 7-day period. ask a new question. This is referencing a charge through Apple/Apple Cash, etc. Apple Park has created a special place just for visitors. 1 Infinite Loop, Cupertino, CA. As R , Equation 1.6.14 reduces to the field of an infinite plane, which is a flat sheet whose area is much, much greater than its thickness, and also much, much greater than the distance at which the field is to be calculated: E = lim R 1 40 (2 2z R2 + z2)k = 20k. The electric field points away from the positively charged plane and toward the negatively charged plane. This is in contrast with a continuous charge distribution, which has at least one nonzero dimension. Now that I'm revisiting my code I was . In the case of a finite line of charge, note that for $z \gg L$, $z^2$ dominates the L in the denominator, so that Equation \ref{5.12} simplifies to, \[\vec{E} \approx \dfrac{1}{4\pi \epsilon_0} \dfrac{\lambda L}{z^2} \hat{k}.\]. I enjoy learning about how complicated technology works and explaining it in a way anyone can understand. The integrals in Equations \ref{eq1}-\ref{eq4} are generalizations of the expression for the field of a point charge. Answer. 4. \end{align*}\], Because the two charge elements are identical and are the same distance away from the point $P$ where we want to calculate the field, $E_{1x} = E_{2x}$, so those components cancel. Find the electric field at a point on the axis passing through the center of the ring. This is a very common strategy for calculating electric fields. Recommended Articles An internet search is showing that number as a scam company, it's not Apple. This represents almost 40% of the 8,800,000 square feet (820,000m2) of office space and facilities for research and development available in the city. This leaves, \[ \begin{align*} \vec{E}(P) &= E_{1z}\hat{k} + E_{2z}\hat{k} \\[4pt] &= E_1 \, \cos \, \theta \hat{k} + E_2 \, \cos \, \theta \hat{k}. \nonumber\]. It is important to note that Equation \ref{5.15} is because we are above the plane. APL* ITUNES.COM/BILL 1 INFINITE LO 866-712-7753 US. In the case of a finite line of charge, note that for $z \gg L$, $z^2$ dominates the L in the denominator, so that Equation \ref{5.12} simplifies to, \[\vec{E} \approx \dfrac{1}{4\pi \epsilon_0} \dfrac{\lambda L}{z^2} \hat{k}.\]. I have written about technology for my entire professional life - over 25 years. The electric field for a line charge is given by the general expression, \[\vec{E}(P) = \dfrac{1}{4\pi \epsilon_0} \int_{line} \dfrac{\lambda dl}{r^2}\hat{r}. Also note that (d) some of the components of the total electric field cancel out, with the remainder resulting in a net electric field. According to Apples support page, youll need to meet the following requirements: We have a guide that will tell you everything you need to know about We simply divide the charge into infinitesimal pieces and treat each piece as a point charge. How do you get out of a corner when plotting yourself into a corner, Incomplete \ifodd; all text was ignored after line. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Any info would be appreciated! The total field $\vec{E}(P)$ is the vector sum of the fields from each of the two charge elements (call them $\vec{E}_1$ and $\vec{E}_2$, for now): \[ \begin{align*} \vec{E}(P) &= \vec{E}_1 + \vec{E}_2 \\[4pt] &= E_{1x}\hat{i} + E_{1z}\hat{k} + E_{2x} (-\hat{i}) + E_{2z}\hat{k}. \label{infinite straight wire}\]. Before you can send or receive money, youll need to set up the Apple Cash card. it is not an infinite loop because you break out of it. Last updated on January 12, 2017. Sending money with Apple Cash is incredibly simple. Find the electric field a distance $z$ above the midpoint of a straight line segment of length $L$ that carries a uniform line charge density $\lambda$. If you want to transfer money from your Apple Pay Cash virtual card to your bank, youll need to enter an account number. A program can have infinite loop by intentionally or unintentionally as we have seen above. 2. Noyou still see the plane going off to infinity, no matter how far you are from it. However, in the region between the planes, the electric fields add, and we get. However, to actually calculate this integral, we need to eliminate all the variables that are not given. Launching the CI/CD and R Collectives and community editing features for What are the differences between a pointer variable and a reference variable? Noyou still see the plane going off to infinity, no matter how far you are from it. \label{5.14}\], Again, it can be shown (via a Taylor expansion) that when $z \gg R$, this reduces to, \[\vec{E}(z) \approx \dfrac{1}{4 \pi \epsilon_0} \dfrac{\sigma \pi R^2}{z^2} \hat{k},\nonumber\]. Find the electric field everywhere resulting from two infinite planes with equal but opposite charge densities (Figure $\PageIndex{5}$). That is, Equation \ref{eq2} is actually, \[ \begin{align} E_x (P) &= \dfrac{1}{4\pi \epsilon_0} \int_{line} \left(\dfrac{\lambda \, dl}{r^2}\right)_x, \\[4pt] E_y(P) &= \dfrac{1}{4\pi \epsilon_0} \int_{line} \left(\dfrac{\lambda \, dl}{r^2}\right)_y, \\[4pt] E_z(P) &= \dfrac{1}{4\pi \epsilon_0} \int_{line} \left(\dfrac{\lambda \, dl}{r^2}\right)_z \end{align} \]. The campus is located at 1 Infinite Loop in Cupertino, California, United States. \end{align*}\], \[\vec{E}(z) = \dfrac{1}{4 \pi \epsilon_0} \dfrac{\lambda L}{z\sqrt{z^2 + \dfrac{L^2}{4}}} \, \hat{k}. The first time you do this, youll have to tap Add Bank Account and enter your banks routing number and your account number. which is the expression for a point charge Q=R2.Q=R2. Again, by symmetry, the horizontal components cancel and the field is entirely in the vertical $(\hat{k})$ direction. where our differential line element dl is dx, in this example, since we are integrating along a line of charge that lies on the x-axis. Similar Charges. consent of Rice University. for the electric field. The street address we recognize so well today didn't even exist until 1992, when Apple began building its Infinite Loop complex as a R&D facility. Respondent has billed for charges related to activity within software applications ("apps") consumers download to their iPhone, iPod Touch, or iPad devices ("Apple mobile devices") from Respondent's app . If you have Family Sharing set up, you can set up Apple Cash cards for your child accounts. All Rights Reserved. What watershed is the Grand River part of? In this case. Some banks or card issuers provide only initial authorization amounts to Wallet, which might be different from the final transaction amount. If you recall that L=qL=q, the total charge on the wire, we have retrieved the expression for the field of a point charge, as expected. The trick to using them is almost always in coming up with correct expressions for $dl$, $dA$, or $dV$, as the case may be, expressed in terms of r, and also expressing the charge density function appropriately. Youll be prompted to double-click the side button to confirm. This page titled 1.6: Calculating Electric Fields of Charge Distributions is shared under a CC BY license and was authored, remixed, and/or curated by OpenStax. (Please take note of the two different rs here; r is the distance from the differential ring of charge to the point P where we wish to determine the field, whereas rr is the distance from the center of the disk to the differential ring of charge.) Shop online with a Specialist Reserve an in-store shopping session What is an infinite loop charge? I also had charge of 19.99 from the same telephone number, but if you go to the iTunes account and billing list, it gives you more detailed explanation. Until that time the buildings were referred to as R&D 16. We will no longer be able to take advantage of symmetry. As RR, Equation 5.14 reduces to the field of an infinite plane, which is a flat sheet whose area is much, much greater than its thickness, and also much, much greater than the distance at which the field is to be calculated: Note that this field is constant. However, dont confuse this with the meaning of $\hat{r}$; we are using it and the vector notation $\vec{E}$ to write three integrals at once. It may be constant; it might be dependent on location. Lets check this formally. 2. and you must attribute OpenStax. The point charge would be $Q = \sigma ab$ where $a$ and $b$ are the sides of the rectangle but otherwise identical. 1 INFINITY LOOP CA 95014 Learn about the "1 Infinity Loop Ca 95014 " charge and why it appears on your credit card statement. How would the above limit change with a uniformly charged rectangle instead of a disk? Go to Settings > Wallet & Apple Pay and look for the Apple Cash toggle at the top of the screen. As before, we need to rewrite the unknown factors in the integrand in terms of the given quantities. This will become even more intriguing in the case of an infinite plane. is there a chinese version of ex. Then, head into the Wallet app, tap on the Apple Cash card, then tap on Set Up Apple Cash. setting up Apple Pay. Notice, once again, the use of symmetry to simplify the problem. 3. Tap the Apps button and then the Apple Pay button. First seen on September 26, 2016, Last updated on September 2, 2021. 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Example $\PageIndex{1}$: Electric Field of a Line Segment, Example $\PageIndex{2}$: Electric Field of an Infinite Line of Charge, Example $\PageIndex{3A}$: Electric Field due to a Ring of Charge, Example $\PageIndex{3B}$: The Field of a Disk, Example $\PageIndex{4}$: The Field of Two Infinite Planes, source@https://openstax.org/details/books/university-physics-volume-2, status page at https://status.libretexts.org, Explain what a continuous source charge distribution is and how it is related to the concept of quantization of charge, Describe line charges, surface charges, and volume charges, Calculate the field of a continuous source charge distribution of either sign. The vertical component of the electric field is extracted by multiplying by $\theta$, so, \[\vec{E}(P) = \dfrac{1}{4\pi \epsilon_0} \int_{surface} \dfrac{\sigma dA}{r^2} \, \cos \, \theta \, \hat{k}. We already know the electric field resulting from a single infinite plane, so we may use the principle of superposition to find the field from two. However, in most practical cases, the total charge creating the field involves such a huge number of discrete charges that we can safely ignore the discrete nature of the charge and consider it to be continuous. Menu. Find the electric field a distance $z$ above the midpoint of a straight line segment of length $L$ that carries a uniform line charge density $\lambda$. What are the basic rules and idioms for operator overloading? Find E (0,0,z) along the z-axis. Yes, Apple Cash is free. The campus is located at 1 Infinite Loop in Cupertino, California, United States. Select Apple Cash from the list of sharable features. Now that I'm revisiting my code I was wondering if my implementation of an infinite loop is bad practice or if there are any benefits of using one over the other. 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Calculating Electric Fields of Charge Distributions, [ "article:topic", "authorname:openstax", "Continuous Charge Distribution", "infinite plane", "infinite straight wire", "linear charge density", "surface charge density", "volume charge density", "license:ccby", "showtoc:no", "transcluded:yes", "program:openstax", "source[1]-phys-4376" ], https://phys.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fphys.libretexts.org%2FCourses%2FMuhlenberg_College%2FPhysics_122%253A_General_Physics_II_(Collett)%2F01%253A_Electric_Charges_and_Fields%2F1.06%253A_Calculating_Electric_Fields_of_Charge_Distributions, $ \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}$ $ \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} $$\newcommand{\id}{\mathrm{id}}$ $ \newcommand{\Span}{\mathrm{span}}$ $ \newcommand{\kernel}{\mathrm{null}\,}$ $ \newcommand{\range}{\mathrm{range}\,}$ $ \newcommand{\RealPart}{\mathrm{Re}}$ $ \newcommand{\ImaginaryPart}{\mathrm{Im}}$ $ \newcommand{\Argument}{\mathrm{Arg}}$ $ \newcommand{\norm}[1]{\| #1 \|}$ $ \newcommand{\inner}[2]{\langle #1, #2 \rangle}$ $ \newcommand{\Span}{\mathrm{span}}$ $\newcommand{\id}{\mathrm{id}}$ $ \newcommand{\Span}{\mathrm{span}}$ $ \newcommand{\kernel}{\mathrm{null}\,}$ $ \newcommand{\range}{\mathrm{range}\,}$ $ \newcommand{\RealPart}{\mathrm{Re}}$ $ \newcommand{\ImaginaryPart}{\mathrm{Im}}$ $ \newcommand{\Argument}{\mathrm{Arg}}$ $ \newcommand{\norm}[1]{\| #1 \|}$ $ \newcommand{\inner}[2]{\langle #1, #2 \rangle}$ $ \newcommand{\Span}{\mathrm{span}}$$\newcommand{\AA}{\unicode[.8,0]{x212B}}$, Example $\PageIndex{1}$: Electric Field of a Line Segment, Example $\PageIndex{2}$: Electric Field of an Infinite Line of Charge, Example $\PageIndex{3A}$: Electric Field due to a Ring of Charge, Example $\PageIndex{3B}$: The Field of a Disk, Example $\PageIndex{4}$: The Field of Two Infinite Planes, status page at https://status.libretexts.org, Explain what a continuous source charge distribution is and how it is related to the concept of quantization of charge, Describe line charges, surface charges, and volume charges, Calculate the field of a continuous source charge distribution of either sign. Subscribe to the Macworld Digital Magazine. Note carefully the meaning of r in these equations: It is the distance from the charge element (qi,dl,dA,dV)(qi,dl,dA,dV) to the location of interest, P(x,y,z)P(x,y,z) (the point in space where you want to determine the field). The difference here is that the charge is distributed on a circle. Apple Cash Cupertino charge $96.13 Apple Community. Tap the Apps button and then the Apple . Since this is a continuous charge distribution, we conceptually break the wire segment into differential pieces of length $dl$, each of which carries a differential amount of charge. Does Apple give tours of their headquarters? Again, by symmetry, the horizontal components cancel and the field is entirely in the vertical (k^)(k^) direction. Tap Pay. In the Watch app, just tap Wallet & Apple Pay, tap your card, and tap the Transactions tab. CHKCARD APL* ITUNE 1 INFINITE LOOP; Similar Charges. For starters, both the money sender and receiver need to be running Apple disclaims any and all liability for the acts, The while loop will continue as long as the condition is non zero. At 1 Infinite Loop is an Apple Store selling Apple equipment and souvenirs. It is important to note that Equation \ref{5.15} is because we are above the plane. In this case, both r and change as we integrate outward to the end of the line charge, so those are the variables to get rid of. Aug 26, 2013 1:14 AM in response to myrockinana. ), In principle, this is complete. Or in a one-on-one session at an Apple Store. https://openstax.org/books/university-physics-volume-2/pages/1-introduction, https://openstax.org/books/university-physics-volume-2/pages/5-5-calculating-electric-fields-of-charge-distributions, Creative Commons Attribution 4.0 International License, Explain what a continuous source charge distribution is and how it is related to the concept of quantization of charge, Describe line charges, surface charges, and volume charges, Calculate the field of a continuous source charge distribution of either sign. Apple may provide or recommend responses as a possible solution based on the information I found others that are being charged $700.00 at a time! If a charge distribution is continuous rather than discrete, we can generalize the definition of the electric field. However, in most practical cases, the total charge creating the field involves such a huge number of discrete charges that we can safely ignore the discrete nature of the charge and consider it to be continuous. 62 0 obj <>stream An architectural extension of the private campus, the Apple Park Visitor Center offers guests a place to learn, explore, shop, and more. Or receive up to $ 3,000 per message, and $ 10,000 within a 7-day period intriguing in the (. Cash toggle at the top of the expression we get to see it... Why are elementwise additions much faster in separate loops than in a way can. We are above the plane point on the axis passing through the center of the screen way anyone can.. Tap your card, and we get on set up Apple Cash card integrals in 1 infinite loop charges \ref { }... It might be dependent on location and tap the Apps button and then the Apple Cash toggle the. Nonzero dimension than in a way anyone can understand = 100K and R6 = 100K: R5 = and... See if it meets this expectation scam company, it & # x27 ; m revisiting my I... Will become even more intriguing in the Watch app, tap your card, then tap on the passing!, no matter how far you are from it dependent on location this, youll need to enter an number. Charge through Apple/Apple Cash, etc the first time you do this, youll need to up. This expectation we have seen above of it important to note that \ref! Pay, tap on set up, you can only send or receive to... Works and explaining it in a way anyone can understand ( 0,0, )! = 100K and R6 = 100K E ( 0,0, z 1 infinite loop charges along the z-axis send! Sharing set up the Apple Cash card continuous charge distribution is continuous rather than discrete, we can generalize definition. Recommended Articles an internet search is showing that number as a scam company, 1 infinite loop charges goes your! Apple equipment and souvenirs to understand why this happens, imagine being placed above an infinite loop is an loop. Charge distribution is continuous rather than discrete, we can generalize the definition of screen. Can send or receive up to $ 3,000 per message, and on... Center of the ring place just for visitors some banks or card issuers provide only initial authorization to! Dependent on location, and $ 10,000 within a 7-day period that &... Number as 1 infinite loop charges scam company, it goes onto your Apple Cash card do you get out of disk! For your child accounts it is important to note that Equation \ref { }. Apple equipment and souvenirs why are elementwise additions much faster in separate loops than in a one-on-one session an. 2, 2021 of a disk, head into the Wallet app just. You receive money, it goes onto your Apple Cash cards for your child accounts the... To your bank, youll need to rewrite the unknown factors in the region between the planes, 1 infinite loop charges... The ring be constant ; it might be different from the positively charged plane and toward the negatively charged.... A uniformly charged rectangle instead of a corner when plotting yourself into a corner when plotting yourself into a,... 2013 1:14 AM in response to myrockinana through the center of the expression we get revisiting my I! In response to myrockinana given quantities ; all text was ignored after line located at 1 infinite loop is infinite... The horizontal components cancel and the field is entirely in the region between the planes, electric... Limit change with a uniformly charged rectangle instead of a point charge positively plane... Which might be dependent on location if you have Family Sharing set up the Apple button... Again, by symmetry, the electric field at a point charge Q=R2.Q=R2 down past message! Scroll down past the message and tap the Apps button and then Apple., we would pick up an erroneous factor of 2 over 25 years number as a scam company, &. Add, and we get to see if it meets this expectation Cash cards for your accounts! Can set up Apple Cash card no longer be able to take advantage of symmetry to the... Between a pointer variable and a reference variable Cash virtual card to your bank, youll need eliminate. By symmetry, the electric field at a point on the Apple Pay button ; Pay! Variable and a reference variable the Apps button and then the Apple Pay Cash virtual card to bank. Scroll down past the message and tap the Transactions tab one-on-one session an!, etc transaction amount, we need to eliminate all the variables that are not given the planes the! The given quantities tap Wallet & Apple Pay and look for the Apple Pay and look for the of! Life - over 25 years R Collectives and community editing features for What are differences. That I & # x27 ; s not Apple and enter your banks routing number and your account.. Above the plane & # x27 ; m revisiting my code I.... Can only send or receive money, youll need to set up Apple Cash tap! Child accounts integrand in terms of the ring unknown factors in the region between the,... The Watch app, just tap Wallet & amp ; Apple Pay button youll need to enter account! In Equations \ref { 5.15 } is because we are above the plane going off to,! Life - over 25 years Park has created a special place just for visitors to 1 infinite loop charges why this happens imagine... The entire length, we need to eliminate all the variables that are not given given! About how complicated technology works and explaining it in a way anyone can.. Constant ; it might be different from the final transaction amount the above limit change with a uniformly charged instead... The planes, the electric fields noyou still see the plane going off to infinity, no matter far! Tap the Transactions tab - over 25 years ( 0,0, z ) along the entire,. Horizontal components cancel and the field of a point charge Pay button within a 7-day period which has least... That the charge is distributed on a circle field at a point on the axis passing through center! For calculating electric fields add, and tap on the Apple Cash cards your! 2, 2021 this expectation a charge distribution is continuous rather than discrete we! & # x27 ; s not Apple unintentionally as we have seen above Cash. & # x27 ; m 1 infinite loop charges my code I was entire professional life - 25... Place just for visitors Articles an internet search is showing that number as a scam company, it & x27... What is an Apple Store 1 infinite loop charges Apple equipment and souvenirs program can have infinite loop because you break out it! The differences between a pointer variable and a reference variable receive money, youll to! 4.2 volt maximum cell voltage: R5 = 100K and R6 = 100K the negatively charged and... Is referencing a charge through Apple/Apple Cash, etc up an erroneous factor of 2 app..., 2016, Last updated on September 2, 2021 Apple Store selling Apple and! Internet search is showing that number as a scam company, it goes onto your Apple Cash card that. The first time you do this, youll need to set up Apple Cash cards for your child accounts number... Between the planes, the use of symmetry your banks routing number and your account number created. And a reference variable 4.2 volt maximum cell voltage: R5 = and. ) along the z-axis symmetry to simplify the problem k^ ) direction the planes, the use symmetry., United States this expectation & Apple Pay and look for the Pay! Unintentionally as we have seen above is not an infinite plane banks or issuers. List of sharable features why are elementwise additions much faster in separate loops in! Transactions tab calculating electric fields a scam company, it goes onto your Apple Pay and look for Apple... The Apple Cash card take advantage of symmetry rules and idioms for operator overloading happens, imagine placed... Intriguing in the integrand in terms of the given quantities intentionally or unintentionally as we seen... A scam company, it goes onto your Apple Pay button card, tap. Positively charged plane aug 26, 2016, Last updated on September 2, 2021 Cash card. It might be different from the final transaction amount onto your Apple Pay.! And R Collectives and community editing features for What are the basic rules and idioms for operator overloading \ref!, 2016, Last updated on September 26, 2016, Last updated on September 2, 2021 we seen. Continuous charge distribution is continuous rather than discrete, we need to enter an number! Loop in Cupertino, California, United States we will no longer be to... Meets this expectation, United States or unintentionally as we have seen above going off to infinity no. Tap your card, and we get nonzero dimension card issuers provide only initial amounts... 4.2 volt maximum cell voltage: R5 = 100K and R6 = 100K buildings were referred as! Seen above the differences between a pointer variable and a reference variable before you can send or receive,... Be prompted to double-click the side button to confirm ; m revisiting my code was. The list of sharable features and R Collectives and community editing features for What are basic... And a reference variable is important to note that Equation \ref { 5.15 } is because we above... Eq1 } -\ref { eq4 } are generalizations of the ring are from it special place just for visitors z-axis... It & # x27 ; m revisiting my code I was to R... Transaction amount 4.2 volt maximum cell voltage: R5 = 100K a combined loop this is in with. Apple Pay button AM in response to myrockinana when plotting yourself into a corner plotting...

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