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.
Homework Statement
A crate is being pushed up a hill with friction. Given: m1 = 131 kg, θ = 23°, \mus = 0.15, and \muk = 0.08. If the crate isn't being pushed anymore, what will be the magnitude of the acceleration of the crate sliding downhill?
What force must be exerted to move the crate...
Homework Statement
Below are six crates at rest on level surfaces. The crates have different masses and the frictional coefficients [given as (μs, μk) ] between the crates and the surfaces differ. The same external force is applied to each crate, but none of the crates move.
Rank the crates on...
Homework Statement
A horizontal stick of mass m has its left end attached to a pivot on a plane inclined at an angle theta, while its right end rest on top of a cylinder also of mass m which in turn rests on the plane as shown. The coefficients of friction at both points is (mu).
Sorry I...
1. The homogeneous square body is positioned as shown. If the coefficient of static friction at B is 0.40, determine the critical value of the angle theta below which slipping will occur. Neglect friction at A.
The image:
2. NA is the Normal force at A, which is perpindicular to the...
Homework Statement
A crane is raising a plank carrying two boxes that only differ in weight. The boxes weigh 10kg and 20kg respectively. As the plank tilts toward the heavier box, predict which box will start to slide first. Explain your prediction.
Homework Equations
Coefficient of...
Hey all,
I was going through a few video lectures on youtube. To be specific, this is the video I watched.
Now, the professor in the video talks about Dynamic reduction techniques and puts Guyan reduction in that category. For a fact, Guyan reduction is also called Static condensation and...
Homework Statement
we know that, every force systems can be generally replaced by a resultant force(R) and a couple(M) at a point O and the position of point O is optional.
but magnitude and direction of M is dependent to this point while magnitude and direction of R is independent.
In static...
Hi all,
I had a thought earlier about magnetic forces.
If there's a magnet attached (at rest) to my fridge, then there is a magnetic force on the magnet towards the fridge and vice-versa. This force stops the magnet from falling because of the frictional force between the magnet and the...
1.we know that generally, every force systems can be replaced by a resultant force(R) and a couple(M) at a point O. the position of point O is optional.
but magnitude and direction of M is dependent to this point while magnitude and direction of R is independent.
In static equilibrium R and M...
Homework Statement
A child pulls a string attached to a block of mass m = 1.5 kg at an angle θ = 35.5° with an increasing amount of force. When she pulls with a force F = 7.39 N the block just begins to move. What is the coefficient of static friction between the block and floor...
I want to create lift of an object about the size of 36 in by 8 in. the lift would be provided by
compressed air and the object would have an air dam and skirt (like hovercraft) and lift approx
250 lb mass on it to floatation level of .05 in (where skirt would not reach above lift surface...
Homework Statement
A door, essentially a uniform rectangle of height 2.00 m, width 0.87 m, and weight 130.0 N, is supported at one edge by two hinges, one 35.1 cm above the bottom of the door and one 164.9 cm above the bottom of the door. Calculate the horizontal components of the forces on...
pHomework Statement
A 5.03 box sits at rest at the bottom of a ramp that is 8.76 long and that is inclined at 30.0 above the horizontal. The coefficient of kinetic friction is 0.40, and the coefficient of static friction is 0.50.
What constant force , applied parallel to the surface of the...
Homework Statement
Two blocks of equal mass are connected by a rope of negligible mass that is passed over a frictionless pulley as shown in the figure. The angle made by the horizontal plance and the ramp is 30 degrees.
a) If the system is in this configuration and neither block moves what...
I have this situation:
I know that tension and friction act poining at left. Weight is obviously downward but then I need a force pointing at right for the rod to be static, and the only force left is the normal force but why should it be pointing at left? Isn't it vertical?
Thanks!
Poynting vector is flow of energy per unit area. Dose it apply for both static field where E and B are decoupled, AND time varying EM field where E and B are coupled?
Hi all, hope i can get some opinions here on a topic discussed at work. Flow is exiting a pipe from a chamber at P_in to outside/atmospheric with pressure patm, at say low mach number 0.05.
At the exact exit plane of the pipe, is the total pressure equal to the patm, or will it instead be...
The (0,0) and (r,r) components are: g_{00}= -e^{2\phi},g_{rr}=e^{2\Lambda}. From the first component, combined with the fact that the dot product of the four velocity vector with itself is -1, one can find in the MCRF, U^0=e^{-\phi}. What does this mean? In the MCRF, the rate of the two clocks...
Hello,
I have a [probably silly] question regarding particle pair production in strong static fields.
Take for instance the finite Coulomb field (of say an extended nucleus) and the Dirac equation. One can compute the bound states of such a system and see that at a certain value of Z the...
Homework Statement
I just need to know how to access an arraylist that was created in a class (call it Company). In class CompanyTest, I need to access a list of employees that was created in Company.
This is Company class:
public ArrayList<Employee> list = new ArrayList<Employee>()...
Homework Statement
It's a cilinder of mass M and radius R rolling without slipping and I'm asked to find the maximum value of the static friction coefficient for the cilinder to roll without slipping.
Homework Equations
Non-slip conditions:
\displaystyle v=\omega R
\displaystyle...
Homework Statement
The attached figure shows a weightless bar with several forces applied to it (all in New). The distances are as follow: AB=6m, BC=1m and CD=3m. The question is to calculate DE so there is equilibrium.
Homework Equations
ƩM=0 (Rotational equilibrium)...
A block is sliding down a 30° incline at 1.2ms^-2
Find the coefficient of static friction.
[g=9.8ms^2]
I am stumped..
Some relevant equations:
Fr = μ(Fn)
Fn = mg
Ultimately I got μ=0.5 ---> This was through mashing and playing with some trig.
Homework Statement
A door made of a uniform piece of wood measures 1 m by 2 m and has a mass of 18kg. The door is entirely supported by two hinges, one at the bottom corner and one at the top corner. Find the force (magnitude and direction) that the door exerts on each hinge. Assume that...
Can two massive particles have parallel spacetime trajectories? It seems that the answer is - no. And the closer they are the more they can't.
But in that case we can't have static structure consisting of massive particles. Any composite structure would have to have something like phasespace...
I'm trying to understand why static discharge (or just plain high voltage) damages semiconductors, in particular integrated circuits. What happens when a chip gets hit by a voltage spike that it can't handle?
Homework Statement
Suppose we have a two blocks of masses m1 and m2, one on the top of another. The lower block is attached to a spring which is attached to the wall. These two blocks are on a zero-friction floor. We give the lower block a velocity so that the upper block is not sliding on the...
Can anyone explain this to me?
If we have an infinite amount of balls arranged in a kind of cubic matrix, in an infinite and static space...how the heck would that collapse on itself due to gravity?
Thanks folks
Hey all,
First off, I'd like to mention that I am completely unfamiliar with this ANSYS and have been fighting with this program for last 2 and half weeks. Any feedback and help is greatly appreciated! Please refer to the photos attached for referral.
My project currently involves analyzing...
Homework Statement
Very simple problem; I have three classes, Company, CompanyTest, and Employee. CompanyTest gets a bunch of information together about an employee, like salary, address, etc., and then it creates an Employee object using the Employee class. Great, so I have successfully...
The standard layman description of QED is that forces are no longer mediated by fields present at all points in space, but by particles that are (presumably?) at least somewhat localized, and carry some energy. Forces are then exchanged between two electrons by "exchanging photons" -- at the...
Hi
First off I'm not a student, this is purely a curiosity question
In pascals law classic drawing if you added a piston inside one of the cylinders what would happen?
I've added a drawing to clarify
I'm totally split on what the answer is, Pascals law seems to state the pressure on...
I have a Mathematics C assignment, with one question being about static and dynamic friction. But I think it fits this forum. Anyway, we need to conduct experiments to show if there is a difference between static and dynamic friction or not with three different surfaces.
The weight of the...
I have a Mathematics C assignment, with one question being about static and dynamic friction. But I think it fits this forum. Anyway, we need to conduct experiments to show if there is a difference between static and dynamic friction or not with three different surfaces.The weight of the object...
Hi everybody!
Please explain to me how can we consider static electromagnetic field in point of view of Quantum Field Theory.Because varying electromagnetic field can quantize to photons,so we can consider varying electromagnetic field like a ''set'' of photons.
Thanks very much in advance.
http://en.wikipedia.org/wiki/Stagnation_temperature
It appears to me that if we have two fluids which are in "heat conduction" contact with each other, then the body with the highest stagnation temperature will transfer heat to the body with the lowest stagnation temperature.
However, it...
I was just wondering how static electricity has a high voltage. Is it because of the difference of charge between the two objects e.g you and the ground?
Or is it due to the electric field which surrounds an static charged object, so the electric field cause ions to build in the air allowing...
Homework Statement
A 1380 N uniform boom of length ℓ is supported by a cable, as shown. The boom is pivoted at the bottom, the cable is attached a distance 3/4ℓ from the pivot, and a 3604N weight hangs from the boom’s top. Find the tension of the cable.
here is a picture of the diagram...
Homework Statement
a bus passanger has her laptop sitting on the seat next to her while the bus moves at 10m/s, the bus goes around a turn with a radius of 25m. what is the coefficient of static friction in order to keep the laptop from sliding?
Homework Equations
The Attempt at...
I'm looking over my notes here, we have a rolling disk down an incline plane and my goal is to find its acceleration in terms of its moment of inertia
My dilemma is, when finding the torque, I look at all 3 of the forces influencing it (normal, gravity, and the f_s). The n goes through the...
I do not understand how to solve static equilibrium questions. Like those:
Or this one
http://www.chegg.com/homework-help/questions-and-answers/a-uniform-120-lb-beam-is-supported-in-a-horizontal-positionby-a-pin-and-cable-as-shown-in--q701621
The second one with the pin is especially hard...
In quantum field theory do we "describe" static electric fields with proper combinations of transvers propagating photons? Is that a basis? Is there a basis using the longitudinal and timelike photons to describe static fields?
Thanks for any help!
Is paint a conductor of electricity? Since we charge the paint and let it move to the metal body of a grounded car so an opposite charge on the car. So when the paint reaches the car will the paint get discharged or will the charges on the car remain the same? Like the paint and the car body...
Homework Statement
a 1450 kg car is towing a trailer of mass 454 kg. The force of air resistance is 7471N[backward]. If the acceleration of both vehicles is 0.225m/s^2[forward], what is the force of static friction on the wheels from the ground?
Homework Equations
I am able to find Force...
Homework Statement
A plank having length L and mass M rests in equilibrium on two supports (1 and 2) that are separated by a distance D. The supports are located at equal distances from the enter of the plank. A mass m hangs from the right end of the plank. If L=6m and D=2m, which of the...
Suppose a closed loop with constant current around the loop. The loop is in a uniform constant B field. The force is
\vec F=I\left (\oint_c d\vec l\right ) \times \vec B.
Being a closed loop \oint_c d\vec l=0. So there is no force acting on the loop.
BUT at the same time, we know there...
Homework Statement
A car is going down an incline with a constant acceleration.
[b]How much work was done on the car by the force of the road going down the hill? (neglect energy losses due to air resistance, rolling friction, etc.)
The Attempt at a Solution
There are 2 forces acting on...
Hi,
I'm attaching a file which have the stress strain curves of same material at quasi static and high strain rates.
See materials on page 1 and page 2.
Both are same materials.
The curve on page 1 is obtained at quasi static strain rate and the curve on page 2 is obtained at high...