Static Definition and 1000 Threads

Static is a fictional superhero appearing in American comic books published by DC Comics. The character was created by Milestone Comics founders Dwayne McDuffie, Denys Cowan, Michael Davis, and Derek T. Dingle. Static's first appearance was made in Static #1 (June 1993) in the Modern Age of Comic Books, written by McDuffie and Robert L. Washington III, and illustrated by John Paul Leon. Virgil Ovid Hawkins is a member of a fictional subspecies of humans with superhuman abilities known as metahumans. Not born with his powers, Hawkins' abilities develop after an incident exposes him to a radioactive chemical. This event renders him capable of electromagnetic control and generation.
The character drew much inspiration and was in fact designed to represent a modern-era Spider-Man archetype. After the closing of Milestone Comics, Static was incorporated into the DC Universe and became a member of the Teen Titans. A common misconception is that Hawkins is the son of fellow DC Comics superhero Black Lightning, who debuted much earlier and possesses electrical abilities. Black Lightning addresses the coincidence once in a Justice League narrative.Static has made numerous appearances in other forms of media. The character has been featured in various animated series, including Static Shock, a version of the storyline made slightly more suitable for a younger audience, as well as animated films and video games.

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  1. K

    The minimum cost of converting static pressure into dynamic pressure

    Can static pressure be induced to becoming dynamic pressure through the use of "right-angle forces" with respect to particle velocities? I imagine that one could accomplish this with an ionized gas and a magnetic field. This would reduce the amount of work that is need to accelerate the gas...
  2. V

    Static Electricity, Spheres question

    Homework Statement Suppose you have two isolated conducting spheres that are both neutral. You move 2mC of charge from one to the other. a. What is the charge now on each sphere? My solution: One sphere is positively charged with 2mC more protons, while the other is negatively charged with...
  3. M

    Static Friction, Kinetic Friction and Rolling Resistance query.

    Hypothetically, if I had a sphere and a block (of the same mass and material (hence the same coefficients of static friction for both interfaces) both stationary on a surface, they would require the same force to initiate motion? Once moving, a coefficient of sliding friction is employed in...
  4. M

    Static pressure and airflow at reduced fan speeds

    This is probably a stupid question but I've been going around in circles for a while now and have gotten myself completely confused. I have a fan and a pump, with performance charts (static pressure vs. air flow) for both. I need to try and determine flow rates for each device when run at...
  5. H

    Static Equilibrium On a Beam Question

    Homework Statement A uniform beam of length L and mass m shown in the figure below is inclined at an angle of θ to the horizontal. Its upper end is connected to a wall by a rope, and its lower end rests on a rough horizontal surface. The coefficient of static friction between the beam and...
  6. andrewkirk

    What Defines a Static Spacetime and Does it Depend on the Coordinate System?

    I am trying to understand the derivation of a solution of Einstein's field equations for a static, spherically symmetric spacetime (chapter 10 of Schutz's 'A first course in general relativity'). The derivation defines a static spacetime as one satisfying two conditions, one of which is that...
  7. S

    Static Friction of hollow sphere rolling up incline

    For hollow sphere rolling up incline: I know that the kinetic friction will equal 2/3 acceleration since: μgcosθ=2/3a acceleration = 3/5gsinθ so...kinetic friction = 2/5gsinθ But how I do calculate the force of static friction??
  8. B

    Reducing static shocks in furniture

    I searched the last few months of static topics to get a basic understanding how how it happens, but I don't know how to solve my problem. I have a new couch that causes me to shock metal things I touch after standing up. I also have a computer floormat that seems to cause the same thing...
  9. P

    Static Equilibrium Problem Dealing with Torque

    Homework Statement The figure shows a model of a crane that may be mounted on a truck. A rigid uniform horizontal bar of mass = 90.00 kg and length = 5.200 m is supported by two vertical massless strings. String A is attached at a distance = 1.600 m from the left end of the bar and is...
  10. S

    Static friction vs kinetic friction (Very simple question)

    This isn't part of a homework question or anything, i was just curious If an object is at rest, static friction is at work, so for an object to move, on a flat surface, force applied must be greater than the static friction force yes? But this is not true for kinetic friction, where an...
  11. K

    Static friction over driven roll, slippage issue /paper machines/

    Hello All, on paper machine which I work we have such configurations as is showed on the sketch: http://imageshack.us/photo/my-images/706/systemt.jpg/ a forming fabric (wire) is driven by two rolls, couch roll (with two suctions chamber) and so called FDR (forward drive roll). On the...
  12. C

    Achieve a state of static equilibrium

    Homework Statement If a body is acted upon by clockwise moments of 75 N at 1.25 m And anticlockwise moments of 50 N at 1.3 m , Is it in a state of static equilibrium ? If not what is required to achieve a state of static equilibrium ? Homework Equations sum of all forces on all...
  13. M

    Engineering ball sorting project, static electricity

    Hello all, I am an engineering student currently undertaking a project at univeristy. It involves the sorting of 4 different balls of which I have deduced how to sort 2 of them leaving just 2 types of balls to sort... The remaining two are of identical size, 10mm in radius, and are...
  14. T

    Electromagnetic Vector Fields (Static)

    Homework Statement Use the integral form and symmetry arguments to compute the electric field produced by the following charge densities: (i) Point charge q, placed at the origin, in 3 dimensions; (ii) Point charge q, placed at the origin, in 2 dimensions; (iii) Point charge q, placed at the...
  15. T

    News Constitution: Static or Living and in it means?

    Constitution: Static or Living and in it means?? I was reading "The Original Constitution", by Robert G. Natelson. The work assesses Constitution and Bill of Rights in light of eighteenth-century law, minutes from the Confederation Congress, the original Articles of Confederation, Federalist...
  16. N

    Modelling static magnetic fields for electromagnets

    Hi guys, What I am trying to do is to create a mathematical model for the attraction forces between two or more electromagnets placed parallel to each other. (when the exitation currents are static) And for this i thought the best approach would be to have a model that can provide a 3D model...
  17. S

    Can someone help me with this static friction problem?

    Homework Statement A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 24 degrees , the crate begins to slide downward. What is the coefficient of static friction between the crate and the ramp? Homework Equations \SigmaF=ma...
  18. P

    Static Equilibrium | 736g Beam & 5.25N Sphere | FBD & Tension Calc

    A 736g uniform mass beam is used to suspend a sphere that weighs 5.25N. it is supported by an ideal rope attached to the wall, and one third the length along the beam (from the wall). The angle between the rope ans the beam is 51.0 degrees. a) draw a free body diagram b) calculate the...
  19. A

    Acceleration of a static test-particle

    What is the correct expression for the acceleration of a static test-particle in coordinate time according to the Schwarzshild solution? I am a bit confused. I would like it to be the same as classically, ## d\bar{v}/dt=-\frac{GM}{r^2}\hat{r} ##, but according to "reflections on relativity"...
  20. P

    Coefficient of Static Friction with Acceleration

    Homework Statement A car can decelerate at -4.90 m/s^2 without skidding when coming to rest on a level road. What would its deceleration be if the road were inclined at 11° uphill? Assume the same static friction coefficient. Homework Equations Force of Static Friction / Normal Force...
  21. F

    Need help calculating angle with coefficient of static friction

    There's a box sitting on a plank. The coefficient of static friction is 0.33. I want to figure out at which angle the box will begin to slide if the plank is tilted. I know the factors that come into play are FN, Fg or Fgx, and Fs. So far I have Fnet= FN-Fs-Fg =FN- μs-sin∅...
  22. F

    Calculating angle with coefficient of static friction value

    There's a box sitting on a plank. The coefficient of static friction is 0.33. I want to figure out at which angle the box will begin to slide if the plank is tilted. I know the factors that come into play are FN, Fg or Fgx, and Fs. So far I have Fnet= FN-Fs-Fg =FN- μs-sin∅ =cos-0.33-sin∅...
  23. S

    Rigid Body Static Equilibrium. Find force components

    Homework Statement Pin C joins members ABC and CDE Homework Equations Sum of moments at a point = 0 Sum of vertical forces = 0 Sum of horizontal forces = 0 Weight of triangle acts as a force at its centroid (1/3) its length according to this figure. The Attempt at a Solution...
  24. M

    How far can the remote control extend without tipping over?

    Homework Statement A .110-kg remote control 21.0cm long rests on a table, with a length L overhanging its edge. To operate the power button on this remote requires a force of .365N. How far can the remote control extend beyond the edge of the table and still not tip over when you press the...
  25. P

    Maximum Static Force before Blocks Slip

    An 6.40kg block rests on a 12.5kg block. The interface between the lower mass and the table is frictionless, but there is friction (static friction μs and kinetic friction μk) between the two blocks. A horizontal force F acts on the upper block and causes both blocks to accelerate. The...
  26. R

    Static friction on banked curve

    If a curve with a radius of 89.0m is perfectly banked for a car traveling 71.0km/hr, what is the minimum coefficient of static friction for a car not to skid when traveling at 91.8km/hr? I figured out theta = 24. 03degs from the equations F(normal)*cos(theta) = mg and F(normal)*sin(theta) =...
  27. P

    Calculate reaction in hyper static beam

    Homework Statement Calculate the reaction MA http://alkaspace.com/is.php?i=134123&img=E-3.1.jpg Homework Equations The Attempt at a Solution First I have put the reaction By as an hyper static force. Then I found the deflection in B with the force By as a variable. vb=...
  28. S

    Determining Acceleration Using Kinetic and Static Frictional Force Coefficients

    Homework Statement There is an initially stationary block of mass m on a floor. A force of magnitude 0.500mg is then applied at upward angle θ = 20°. What is the magnitude of the acceleration of the block across the floor if (a)μs = 0.630 and μk = 0.540 and (b)μs = 0.400 and μk = 0.330...
  29. K

    CRANE: How to calculate the strengths on hydraulic cylinders? (static + dynamic)

    Hi there. I've got issues. Big ones. I need to simplify this crane structure, and calculate the strength on cilinder |c1c2| when applying a vertical load on the crane's hook. The purpose of this is to find how much of the strength is absorbed by the first cylinder (and possible the second one...
  30. TrickyDicky

    Light elements abundance in a static toy universe

    As an exercise in cosmology-fiction (I actually got curious about this from an actual cosmology textbook problem), taking into account the stellar nuclear reactions that involve the fusion of hydrogen into helium, what would (roughly) be the proportion (in mass) between Hydrogen and He-4 in a...
  31. B

    Static Structural Tool in ANSYS, General Error

    Hello everyone Just a quick question, hopefully someone could shed some light upon what I'm doing wrong here? I'm using ANSYS Workbench to apply a force to what is effectively a cantilever beam, fixed at one end, with a load applied at the other. To be more specific it is a spring strut of...
  32. P

    Level 3 Forces Problem - Coefficient of Static Friction

    Homework Statement A coffee cup on the dashboard of a car slides forward on the dash when the driver decelerates from 48 km/hr to rest in 3.7 s or less, but not if he decelerates in a longer time. What is the coefficient of static friction between the cup and the dash? Homework...
  33. tom.stoer

    Do Free-Falling Charges in a Static Gravitational Field Radiate?

    The question is rather old but I am not sure if we have a final conclusive answer (I was not able to figure it out for myself, nor have I found consensus in the literature) 1) do free-falling charges in a static gravitational field radiate? 2) do charges at rest in a static gravitational...
  34. C

    Contraction of a static fluid due to cooling

    Hi, I'm trying to model a compensation device in a hydraulic system. Basically, I have a closed pipe that contains a body of liquid (water glycol) and as time elapses this fluid is subject to a cooling effect. This results in contraction and hence a pressure decrease which is subsequently...
  35. R

    How does dynamic pressure affect static pressure?

    I have attached another diagram, and in the diagram I show a round piston with a 1 sq ft surface area pushing water through the pipe out into to open atmosphere at 14.7 psi at a constant velocity of 75 ft/sec. There is a vacuum behind the piston, and I have calculated a 37.9 psi dynamic pressure...
  36. C

    Calculate Point Charge Force on Line Ab | Static Electricity Homework

    Homework Statement Two points charges A(+10. uC) and b(+40.0 uC) are placed .2 m apart forming line ab. Calculate the force experienced by a point charge C(+10.0 uC) placed on line Ab, .06 m from A Homework Equations F=kq1q2/d^2 The Attempt at a Solution First I tried making a diagram...
  37. Z

    Calculating Minimum Force to Prevent Slipping on an Inclined Plane

    I've worked through this problem for a while now and can't quite come up with an answer. The problem is as follows: A block with mass 5 kg sits on an inclined plane of 30°. The coefficient of static friction is 0.1 between the plane and block. A force F is applied in the horizontal direction...
  38. S

    Static Equilibrium Pulley and free body diagram

    Homework Statement Attached is the picture of the problem and my free body diagram. The system is in equilibrium. Homework Equations Fy = 0 Fx = 0 The Attempt at a Solution I'm having trouble solving the two equations that I arrive with... I use +x to the right, and +y up...
  39. C

    Understanding Charge Separation in the Presence of Static Electricity

    Homework Statement What should happen to the electrons in a insulated metal object when a negatively charged plastic rod is brought near the insulated metal The Attempt at a Solution I thought the electrons will repel each other and the insulated object will move away from the rod...
  40. H

    Finding static pressure of rotor

    I've been reading a helicopter aerodynamics book and found that you can only find the induced velocity by using the Momentum theory and Bernoulli's Principle. If I don't know the thrust the rotor is generating, then I have to find the induced velocity of the rotor, where Atmospheric pressure =...
  41. M

    Static Electricity and Algebra Problems

    Homework Statement I have a few problems that I found in my review package that I just couldn't figure out. I've been trying all day as I'm used to the normal F=kqq/r^2. These are higher levelled problems, but my prof says that they will be on the midterm which is coming up next week. If...
  42. M

    Does the CMB move or is it static?

    If the CMB is quantum fluctuations of the primordial universe, I would expect it to move, not be static like a photograph. Quantum fluctuations do not hold still, nor has time itself seem to have dilated to the point where it would look constant. Can somebody take a movie of it and see? All...
  43. F

    Flow Measurement - Pitot Static Tubes Bernoulli's Equation etc.?

    A Pitot-static tube connected to water manometer is used to measure the velocity of air. If the deflection between the two arms of the manometer is 12.4cm, determine the air velocity when the density of air is 1.25kgm-3 and the density of the water in the manometer is 1000kg/m3. I am not...
  44. C

    Hertzian Static Contact Stress Acceptance Criteria

    I have calculated a static contact stress of 670 N/mm2 using formula from Mechanical Engineering Design, Shigley, 5th Edition. My problems lies that there is no acceptance criteria. I'm using Grade 5 Structural Steel (yield~355 N/mm2). Previous threads have stated that a 2.5 * yield can...
  45. D

    Static equilibrium for three point charges

    The result I got seemed sort of messy and I'm not sure I've gotten the basic idea correctly, so I thought I'd make it sure. I think this was the easiest problem we had to solve for charge distributions and point charges and whatnot, so I know for sure I'll have to practice more if I made any big...
  46. N

    Why does tape distribute static charge unevenly?

    There's a popular experiment where you get two pieces of Scotch tape and label one top and one bottom. You attach them together on their sticky sides and then pull them apart and they will attract showing that you can get static electricity without friction. Anyhow, when I thought about it I had...
  47. O

    Static engineering v -- stress/buckling

    Homework Statement A column has the dimensions shown below... Column material properties: young's Modulus E = 200 GN m^-2 Yield stress = 140 MN m^-2 Homework Equations a) what is the minimum length of the column at which buckling is likely to occur? The...
  48. N

    Static Electricity electron transfer

    Hey guys, Most physics or introductory electronics books that I have read begin the topic of electricity by introducing static electricity. The books introduce static electricity by either talking about the amber and the wool experiment or the glass rod and the silk cloth. My question is...
  49. K

    Calculating Static Friction and the Coefficient of Friction

    *** Title says static - need kinetic friction!Homework Statement Find the amount of kinetic friction. A block with mass of 0.422kg slides down a ramp from rest. Given: acceleration = 1.58m/s^2, mass = 0.422kg, theta = 29.0°, velocity two (end): 1.7m/s, and total time is 1.10s. I also need to...
  50. P

    Question about static friction and energy loss

    I know static friction can cause an object to accelerate, but also decelerate. And i also know that static friction never cause energy loss, but I wonder when it causes an object to decelerate, its kinetic energy should decrease, so where is the mechanical energy gone? Has static friction done...
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