The "right-hand" rule for calculating vector cross-products and such things is just a convention. Enrico Fermi was known for his ability to estimate things quickly and produce an order-of-magnitude guess with only minimal calculation. The standard method for solving differential equations is to simply guess an exponential solution. The skill to do math on a pageHas declined to the point of outrage.Equations quadraticaAre solved on Math'matica,And on birthdays we don't know our age. Because we can. Forces, yes forces, Are really first-rate, They get objects moving, Accelerate! I see it as it looked one afternoon In August,—by a fresh soft breeze o'erblown. In England once there lived a big. The findings of Michelson-MorleyAllow us to say very surely," If this ether is real,Then it has no appeal,And shows itself off rather poorly.". On a rotating platform, the Coriolis force always points in the same direction relative to the direction of motion. It's no coincidence that physicists study the harmonic-oscillator potential, kx2/2, so much. Copyright © 2020 The President and Fellows of Harvard College, Tax Information for International Students, Scientific Ethics and Professional Integrity, Instructional Machine Shop (Physics/SEAS). One said, 'I think I've lost an electron'. You know I need to talk to Bob. physics [Top of page] [Bottom of page]  [Send comment] Februari 8 March 17 From: Don Casada
Here's a bit of poetry (using the term loosely) on Bernoulli's equation and other fluid movement relations: The way the water wends (Words wrought by a worn down wag) It's twice the rate at which rain doth fall Into how fast it's a-gittin' there, square. The kinetic energy of a body can be found by treating the body as a point mass located at the CM, and then adding on the kinetic energy of the body due to the motion relative to the CM.To calculate E, my dear class,Just add up two things, and you'll pass.Take the CM point's E,And then add on with glee,The E 'round the center of mass. Any quantity with a few factors of c is bound to change the face of the world. It is a section from a longer poem called "Epochs." For things moving free or at rest,Observe what the first law does best.It defines a key frame,Inertial by name,Where the second law then is expressed. A poem for my A level Physics teacher Watch. Likewise, when you walk down the street with a certain destination in mind, you're not alone.When walking, I know that my aimIs caused by the ghosts with my name.And although I don't seeWhere they walk next to me,I know they're all there, just the same. As the school year begins again, grab your pens, pencils, planners, and notebooks, and check out this selection of poems related to school. But at least they are all physically accurate (give or take). All inertial observers agree on the value of s2, independent of what they measure for the actual coordinates."Potato?! Of course, sometimes in life you need to know things to better accuracy than the nearest power of 10... How Fermi could estimate things!Like the well-known Olympic ten rings,And the one-hundred states,And weeks with ten dates,And birds that all fly with one... wings. Page 1 … Where this last line is not so extraneous. In science, we test a theory by performing experiments. It just stood there and did nothing, of course,A harmless and still wooden horse.But the minimal actionWas just a distraction.The plan involved no use of force. Results from relativistic physics must of course reduce, in the nonrelativistic limit, to the good old results from Newtonian physics. You can't prove anything, so you learn to settle for the things you can't disprove.Consider, when seeking gestalts,The theories that science exalts.It's not that they're knownTo be written in stone.It's just that we can't say they're false. Ernest Rutherford. Baccalaureate address (9 Jun 1957), Yale University. Copyright © Paul Curtis. In many cases, writing down these energies (which are scalars) proves to be much simpler than trying to write down all the forces (which are vectors), which may be pointing in all sorts of complicated directions. Howe wrote this poem about scientific ideas – specifically relating to Einstein’s General Theory of Relativity and its impact on subsequent physics – and read it to Stephen Hawking, to whom the poem is dedicated. Of the many effects, miscellaneous,The loss of events, simultaneous,Allows A to claimThere's no pause in B's frame. When using potentials, effective,Remember the one main objective:The goal is to shunAll dimensions but one,And then view things with 1-D perspective. by 1. Perhaps the most fundamental effect of relativity is the loss of simultaneity. The concept of the "relativistic mass", g m, is an unfortunate one. "What they meant wasn't quite as much fun.It's dp by dt,Which just happens to beGood ol' ma when g is 1. t =dL/dt is valid only if the origin (the point around which t and L are calculated) satisfies one of the following conditions: (1) The origin is the center of mass, (2) The origin is not accelerating, or (3) The acceleration the origin is parallel to the vector from the origin to the center of mass. lion (an acrostic poem) mosquito poem: parasite (the deadliest animal on Earth) octopus poem (a tale of 3 broken hearts) octopus poem (don't ask one for directions) penguin poem (if penguins could fly) shark poem (the largest fish in the ocean) spider poem (they aren't insects) tadpole poem (metamorphosis of a frog) tiger poem (largest of all cats) He also really hated when people said "capacitator" instead of capacitor, so my mom sent me to school with a dielectric shoved into a potato. See more ideas about humor, teacher humor, science humor. But given w , you're stuck with one or the other. To everybody it … People tend to rely a bit too much on computers and calculators nowadays, without pausing to think about what is actually going on in a problem. Forces are cool, They work with a pulley, Don’t use it to fight, Don’t be a bully! For example, in converting minutes to seconds, just multiply 1min by 60s/1min (which equals 1), to obtain 1min=(1min)(60s/1min)=60s. Some are stupid. What L was, he just couldn't tell.And p? A fellow jumped off a high wall, And had a most terrible fall. The fact that s2=c2t2-x2 is invariant under Lorentz transformations of x and t is exactly analogous to the fact that r2 is invariant under rotations in the x-y plane. Long Island Sound. From my memory, he always spoke as if he was telling a bedtime story, making his writing more soothing to read. Nov 25, 2017 - Explore Nancy Padan's board "Science teacher humor", followed by 177 people on Pinterest. Down with School. One of these generally works much better than the other. This poem employs the metaphor of a boxer trash talking his opponent before the big match, a grudge match: pure physics and impure metaphysics. Humpty, he sat on a wall,Then Humpty, he had a great fall.But all the kings horsesAnd men with their forcesCouldn't render his entropy small. Whether it's to the left or to the right depends on the direction of rotation. Hermitian matrices have nice property that their eigenvalues are real. The goal, apparently, of such a definition is to have a relativistic particle of mass m behave exactly like a Newtonian particle of mass g m. This goal, however, is futile. This is very fortunate, of course, since no one is going to go out for a jog of 6+9i miles, or pay an electric bill for 17-42i kilowatt-hours. For a transverse force, you can show that F=(g m)a, which does take the desired form. Some are funny. 17 Oxford StreetCambridge, MA 02138(617) 495-2872 phone(617) 495-0416 fax, INTERNAL LINKSHARVie (Information for employees)ROOMBOOK. In the words of Sir Arthur Stanley Eddington, it says that "every particle continues in its state of rest or uniform motion in a straight line except insofar that it doesn't." God's first tries were hardly ideal,You see, complex worlds have no appeal.So in the present edition,He made things Hermitian,And this world, it seems, is quite real. By Roald Dahl. This inertial frame is then used as the setting for Newton's second law. These clever poems will have you laughing out loud. All science is either physics or stamp collecting. If you love physics, poetry and puns, Paul wrote this poem just for you. . When converting the units of a quantity, all you have to do is multiply by 1 in an appropriately chosen form. You simply have to write down the difference between the kinetic and potential energies, and then take some derivatives. 'Are you sure?' Ranked poetry on Physics, by famous & modern poets. Observe that for muons, created,The dilation of time is relatedTo Einstein's insistenceOf shrunken-down distanceIn the frame where decays aren't belated. Newton's first law, "A body moves with constant velocity (which may be zero) unless acted on by a force," appears at first glance to be rather vacuous. For the road to a knowledge of the stars leads through the atom; and important knowledge of the atom has been reached through the stars. This third condition is rarely invoked. While noting, "Oh, this is just grand,"Jack tripped on some trash in the sand.He changed his potentialTo kinetic, torrential,But not before grabbing Jill's hand. A quick application of the Taylor-series expansion shows that any potential looks basically like a quadratic, if you look at a small enough region around an equilibrium point. A twin from Denver will have aged more than a twin from Boston. Learn how to write a poem about Quantum physics and share it! But the first law actually does have some content. "But though they're all true,I'll stick to just two;It's CM's and fixed points for me. In relativistic physics kinetic energy is equal to the product of the increase of mass caused by motion times the square of the speed of light. Atwood's machines can be pretty hairy. As acid rain falls on the leaves,And Mother Earth quietly grieves,These blasted pollutantsWill make us all mutants,And our kids will wear coats with three sleeves. Many of them can be found scattered throughout the textbook I wrote for the Physics-16 course here at Harvard. “Frau Freud” by Carol Ann Duffy. If, on the other hand, you have a physical revulsion of physics, you may still enjoy the use of the interesting and uncommon word interrogative. Alice said to her friend Eve, "Why do you practice to deceive? Some are stupid. "But he botched the instructionWith woeful induction,And told us the next prime was nine. Who knows what he would have concluded if we lived in a thicker medium... What would you have thought, Galileo,If instead you dropped cows and did say, "Oh!To lessen the soundOf the moos from the ground,They should fall not through air but through mayo!". Physics Shayari, Love Petry, Funny Poetry, Physics shayari: Focus mein aayi woh pehli bar Ishq ka force laga dil pe yaar Mirror image hi sahi, 1 baar toh dikh jaye Pyar current sa dil mein behne laga Main uske magnetic field mein rehne laga Dua hai meri usse kabhi collision ho jaye Two hydrogen atoms were walking along
Symmetries and conservation laws go hand in hand... As Noether most keenly observed(And for which much acclaim is deserved),We can easily seeThat for each symmetry,A quantity must be conserved. It may seem cheap, but it works. It takes every path, treating them all on equal footing. As he walked past the beautiful belle,The attraction was easy to tell.But despite his persistence,He was kept at a distanceBy that darn conservation of L. When solving an F=ma differential equation, sometimes you want to write a as dv/dt, and sometimes you want to write it as v dv/dx. We simply end up seeing the path with a stationary action, due to the way the quantum mechanical phases add.When an archer shoots an arrow through the air, the aim is made possible by all the other arrows taking all the other nearby paths, each with essentially the same action. And wonderfully clever pig. PoetikalyAnointed on November 09, 2018: Two events that are simultaneous in one frame are not necessarily simultaneous in another. As can be shown using the equivalence principle that high clocks in a gravitational field run fast. Ask your questions now >> ... Physics Is the Father of A level And in your dreams,appears as a Devil! — Alfred Whitney Griswold. This is our method, essential,For equations we solve, differential.It gets the job done,And it's even quite fun.We just try a routine exponential. If the theory is consistent, then odds are that it's actually not true, but simply the limiting case of a more correct theory. There once was a classical theoryOf which quantum disciples were leery.They said, “Why spend so longOn a theory that’s wrong?”Well, it works for your everyday query! Ladies, for argument’s sake let us say. Learn how to write a poem about Physics and share it! What time dilation explains in the earth frame, length contraction explains in the muon frame. The cosmos according to HubbleExpands like the soap of a bubble.Let's hope it's not closed,It would then be disposedTo shrink to a point, and that's trouble. Copy and paste this code to your website. That's how science works. God said to his cosmos directors," I've added some stringent selectors.One is the clauseThat your physical lawsShall be written in terms of 4-vectors.". Poems about Physics at the world's largest poetry site. “Work” was published in The Poems of Emma Lazarus (Houghton, Mifflin and Company, 1889). To figure the inches you’ve run,Or to find the slug mass of the sun,Forget your aversionTo unit conversion.Just multiply (wisely!) "A rainbow is the product of physics working for your appreciation of beauty." Rockets make use of conservation of momentum, by ejecting small particles with very large speed. The classic example of the independence of the x- and y-motions in projective motion is the "hunter and monkey" problem. Category. Don't ask! To which he noted "the nut doesn't fall far from the tree". And when we do find each other … The realization was nice, but then it took him another 20 years to develop calculus so that he could prove it mathematically. that I’ve seen my fair share … But when we meet, I know we will all physics rearrange For you, stop squark, will soon reveal the standard model as deficient To me, you are my superpartner; the only one sufficient. We gave up having the earth as the center, so let's not give any other point a chance, either. Copernicus gave his replyTo those who had pledged to deny. If, on the other hand, you have a physical revulsion of physics, you may still enjoy the use of the interesting and uncommon word interrogative. Of course, you could also multiply by 1 in the form of (1min/60s) to obtain 1min=(1min)(1min/60s)=1min2/60s. Dear brother from Boulder,I hear that you've gotten much older.And please tell me whyMy lower left thighHasn't aged quite as much as my shoulder. You never know when this technique might come in handy. "All your addictionsTo ancient convictionsWon't bring back your place in the sky.". I'm sure I'd very much like to be but being female it's probably not so acceptable to be funny as for a male. The Games in My Room. Relativistic length contraction is a strange thing, indeed...Relativistic limericks have the attractionOf being shrunk by a Lorentz contraction.But for readers, unwary,The results may be scary,When a fraction . Don't ask! Funny Limericks organised in a easy to read format. P= r gh Larry Lobster crawls deep in the sea,Where the pressure and depth guaranteeThat all the frustrationsOf mighty crustaceansWon't help when they have to go pee. said she,"And of course it's tomahto, you see.But the square of ctMinus x2 will beAlways something on which we agree.". Key Stage. 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