Search: Phyiscs - Electro static

Number of results: 1,587

Phyiscs - Electro static
Particles 1 and 2 of charge q1 = q2 = +3.20 x 10-19 C are on a y axis at distance d = 22.0 cm from the origin. Particle 3 of charge q3 = +9.60 x 10-19 C is moved gradually along the x axis from x = 0 to x = +5.0 m. At what value of x will the magnitude of the electrostatic ...
Saturday, April 2, 2011 at 2:05pm by will

Science
I need to make a generator. The really small ones that can light up a very tiny lightbulb. Basically, I need horse shoe magnets, I know that bit, bet im having trouble how to create the coil and wrap the magents, and how to build it. How do I make a coil? I dont want to buy ...
Thursday, January 11, 2007 at 5:13pm by Gina

Chemistry
http://library.thinkquest.org/3310/lographics/electro.html
Friday, April 17, 2009 at 7:24pm by bobpursley

SCIENCE
WHAT IS ELECTRO MAGNETIC INDUCTION
Saturday, May 17, 2008 at 5:49am by RAKESH

Phyiscs
???
Tuesday, October 5, 2010 at 7:20pm by Ash

Phyiscs
N=m*v/t
Wednesday, November 25, 2009 at 12:21am by Dixie

physics
IP You want to nail a 2.4kg- board onto the wall of a barn. To position the board before nailing, you push it against the wall with a horizontal force to keep it from sliding to the ground What happens to the force of static friction if you push against the wall with a force ...
Thursday, November 11, 2010 at 6:39pm by mathhelp

phyiscs
Yes.
Thursday, April 4, 2013 at 6:13pm by Abraham Lincoln

phyiscs
1.5*10power13
Friday, October 29, 2010 at 8:35am by Anjali

Physics
Static friction force = 8.0 N = (static friction coefficient) x M g M = 2.0 kg; g = 9.8 m/s^2 Solve for the static friction coefficient
Tuesday, September 25, 2007 at 7:12pm by drwls

phyiscs
In a nuclear power plant, _
Thursday, April 4, 2013 at 6:13pm by Anonymous

Phyiscs
nuclear disintegration. Radioactivity.
Sunday, November 29, 2009 at 2:34pm by bobpursley

Physics (Static Friction)
When you take your 1300-kg car out for a spin, you go around a corner of radius 56.9 m with a speed of 15.8 m/s. The coefficient of static friction between the car and the road is 0.75. Assuming your car doesn't skid, what is the force exerted on it by static friction? I ...
Wednesday, July 28, 2010 at 7:06pm by David

Phyiscs help 3
These are incredibly simple to work. What is your difficulty?
Sunday, November 9, 2008 at 11:46pm by bobpursley

ap phyiscs
I will be glad to critique your work
Sunday, February 10, 2008 at 8:57pm by drwls

PsycMath
19 (*PAR) + 21 (*NOS) x 10 = ? [(19 + 21) x 10] + (*PAROS) = ? [40 x 10] + (*PAROS) = ? 400 + (*PAROS) (*PAROS x 3*2*1*2*7*9) = (*PAROS*D8); (*PAROS*D8 x 1 * 3 * 2 * 1*65*1) = (*PAROS*STATIC) (*PAROS*STATIC ; 19*par*static); 19; * par * static; (*PAROS)*PAR*STATIC* - *PAR*...
Monday, April 30, 2012 at 10:40pm by GandondorfaUbefabob DejodingMcBoodento

simple PHYISCS
h=gt²/2 t=sqrt(2•5/g)=1.01 s
Tuesday, April 2, 2013 at 4:08am by Elena

phyiscs
The drawing would help understand where the left support is.
Friday, November 19, 2010 at 4:02pm by bobpursley

Phyiscs
I bet summing moments around any point will solve this.
Wednesday, April 27, 2011 at 1:28pm by bobpursley

1 more phyiscs for today
thank you tahnk you. it makes sense now
Thursday, November 6, 2008 at 7:03pm by joyce

Phyiscs
two examples of everyday devices of relativity? besides a gps?
Sunday, November 29, 2009 at 2:34pm by Jordan

physical science
when a photon of energy hf elects an electro violently from an atom. How is this energy distribute in the process me electing electron?
Tuesday, March 13, 2012 at 4:09pm by euvin

phyiscs
the density of mercury is 13.6gm .Find the volume of 0.3 of hg
Tuesday, November 13, 2012 at 2:09pm by safel mma

Physics
Static friction keeps the heavy object from moving. Unless your shoes slip pushing it, there is static friction below your feet also.
Friday, June 24, 2011 at 5:20pm by drwls

phyiscs
i feel like slapping myself across the face... i completely forgot about gravity...
Tuesday, January 15, 2013 at 5:33pm by v

chemistry
The electro negativity If an element is below another element in the series the element can't be replaced
Thursday, March 27, 2008 at 11:00pm by ChemTeach

Physics
What is meant by a positive static charge and a negative static charge?
Monday, November 19, 2007 at 10:38pm by Jess

Physics
A person, sunbathing on a warm day, is lying horizontally on the deck of a boat. Her mass is 59.6 kg, and the coefficient of static friction between the deck and her is 0.696. Assume that she is moving horizontally, and that the static frictional force is the only force acting...
Wednesday, December 19, 2012 at 3:33pm by Sadie

Computer Science-Java
You only need a static main method. When Java compiles and executes, it will look for a static method called main inside of the public class. If found, it will be executed. public class ReturnName { private static String fullname(String firstname, String middleinitial, String ...
Wednesday, September 23, 2009 at 2:30am by MathMate

to ms.sue
This site has great information about static electricity. http://www.sciencemadesimple.com/static.html
Sunday, April 22, 2012 at 11:18am by Ms. Sue

Phyiscs
Vo is zero, starting at the top. T= sqrt(2x/g) where g is the component of gravity down the plane 9.8sin22
Saturday, July 11, 2009 at 7:39pm by bobpursley

physics
A)Calculate the wavelength of a 5.0kg bowling ball moving at 7.5m/s b)an electro with a mass of 9.11 x 10^-13kg moving at 5.9 x 10^6 m/s.
Monday, December 3, 2012 at 7:53pm by chanty

phyiscs repost 2
2.25 microwatts is a millionth of a watt, or 2.25x10^-6 W/m^2. This is divided by 1e-12, so the solution is: B=10log10(2.25e+6)
Saturday, April 19, 2008 at 8:14pm by Anonymous

Chemistry
How is polonium-210 used in anti-static products? Why is its presence in commercial products (eg. anti-static hair brushes) a concern?
Sunday, February 15, 2009 at 11:12am by Amanda

Grade 6 Science
Describe a way you can become a victim of a static electric shock. Explain what caused the static electric shock.
Saturday, February 11, 2012 at 10:29pm by Sameer I NEED HELP ASAP

Grade 6 Science
Describe a way you can become a victim of a static electric shock. Explain what caused the static electric shock.
Saturday, February 11, 2012 at 10:28pm by Ms.Sue PLZ help

PHYSICS
Whats the difference between the formulas for kinetic and static friction. Kinetic: Ff= ukFn Static: Ff= usFn Are the 'f' and the 'n' the mass of the object? Are the 'k' and the 's' just the
Thursday, April 16, 2009 at 11:26pm by Lena

physics
If static friction were not greater than kinetic, an object on an inclined plane that is tilted enough to overcome static friction, and start sliding, would immediately stop sliding. That is not what happens.
Tuesday, July 19, 2011 at 9:53am by drwls

Physics
the only part i cant figure out is the max static friction force that acts on the block. please help show me how to find it Suppose a block with mass 2.00 kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.320, what maximum angle...
Saturday, May 21, 2011 at 11:52am by sarah

AP PHYISCS
Force * (Stopping distance) = work done on the snow = kinetic energy at impact = (1/2) M V^2 X = (1/2) M V^2/(1.2 x 10^8 N) The impulse, I, is equal to the momentum change I = M V
Saturday, January 12, 2008 at 10:23pm by drwls

Physics
If the penguin isn't budging, the friction force equals the opposing force, 10 N. This may be much less than the maximum static friction force possible, which is 52*g*mu(static).
Tuesday, December 14, 2010 at 7:12pm by drwls

Phyiscs
A 40,000 kg jet has a force of 3.9×10^3 newtons. what is the acceleration of the jet
Wednesday, April 3, 2013 at 10:28pm by Nate

Phyiscs
The child is going from a speed of 112 mi/h to a speed of 0 in .12 seconds...so their is a deceleration...Does this help?
Wednesday, November 25, 2009 at 12:21am by DanH

1 more phyiscs for today
force(distancestopped)=mgh force(.75)=massball*g*heighthelo
Thursday, November 6, 2008 at 7:03pm by bobpursley

phyiscs
if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?
Friday, October 29, 2010 at 7:08am by madiha

phyiscs
if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?
Friday, October 29, 2010 at 7:06am by madiha

Physics
A person pushes on a 62-kg refrigerator with a horizontal force of -256 N; the minus sign indicates that the force points in the −x direction. The coefficient of static friction is 0.61. (a) If the refrigerator does not move, what are the magnitude and direction of ...
Tuesday, September 27, 2011 at 6:22pm by Natalie

physics- MC QUESTIONS
If an object is at rest and is in a state of equilibrium, then we would say that the object is at "static equilibrium." "Static" means stationary or at rest. I will be happy to critique your thinking on the remainng three.
Wednesday, May 9, 2012 at 1:44am by bobpursley

Physics
Let mu_s be the static friction coefficient. If the road is not banked and the car is on the verge of slipping, the maximum static friction force equals the centripetal force. M*g*mu_s = M*V^2/R Cancel the M's. V^2 = R*g*0.66 Solve for V
Friday, March 4, 2011 at 7:44pm by drwls

Physics
You will need to show some work for further assistance. The static friction force provides the centripetal force needed to turn on an unbanked road. With no slipping, it will be less than or equal to the maximum possible static friction, which is 0.88 Mg in this case.
Tuesday, March 2, 2010 at 10:51pm by drwls

langauge arts - mr. sue help!!
25. Select one story from the unit and identify the dynamic and static characters. For each character, identify why you labeled the character as either dynamic or static. (10 points)
Monday, January 28, 2013 at 9:24pm by diamond

physics
The maximum static frioction force is the weight of the car (M g) multiplied by the static friction coefficient (0.7). Set that equal to the centripetal force (M V^2/R) to solve for the maximum speed. The car's mass M will cancel out
Monday, October 29, 2007 at 3:11pm by drwls

physics
The crate's weight is M g = 196 N That is the "normal force" on the surface below. Mu-static = 73/196 = ___ Mu_kinetic = 50/196 = ___ Review the definitions of static and kinetic friction coefficients. This is pretty basic stuff
Wednesday, December 7, 2011 at 8:55pm by drwls

physics
What is 0.8? The coefficient of friction? Static or kinetic? If they are at rest on a horizontal plane, and the cord is unstretched, friction is zero. In some situations (incline or stretched cord) there can be static friction sufficient to maintain equilibrium. You have not ...
Sunday, January 9, 2011 at 9:42pm by drwls

Desperate need of Help for Physics.
Moment of inertia of a flywheel disk question: Do you think the calculated moment of inertia is larger or smaller than the "true" moment of inertial of the actual disk? question: calculate the percent difference between the static and the dynamic moment. I got ....
Wednesday, November 15, 2006 at 11:15am by Teesha

chemistry- electrochem
thanks DR BOB, i did get that. they have given us an assignment for distant ed. students and we haven't even covered the topic yet. the assignment is due the day we start the electro chem topic! not good. thankyou
Wednesday, September 15, 2010 at 4:06am by lucylu

Physics
When you take your 1000- car out for a spin, you go around a corner of radius 57 with a speed of 19 . The coefficient of static friction between the car and the road is 0.88. Assuming your car doesn't skid, what is the force exerted on it by static friction?
Thursday, November 3, 2011 at 2:47pm by Chris

physics
A 2.0kg box rests on a plank that is inclined at an angle of 65° above the horizontal. The upper end of the box is attached to a spring with a force constant of 25 N/m. If the coefficient of static friction between the box and the plank is 0.17, what is the maximum amount ...
Monday, May 21, 2007 at 8:35pm by micole

physics
When you take your 1200 kg car out for a spin, you go around a corner of radius 54.5 m with a speed of 16.2 m/s. The coefficient of static friction between the car and the road is 0.95. Assuming your car doesn't skid, what is the force exerted on it by static friction?
Friday, October 12, 2012 at 5:29pm by Anonymous

physics
When you take your 1300-kg car out for a spin, you go around a corner of radius 57.7 m with a speed of 16.5 m/s. The coefficient of static friction between the car and the road is 0.93. Assuming your car doesn't skid, what is the force exerted on it by static friction?
Thursday, April 12, 2012 at 3:56pm by Anonymous

physics
When you take your 1000-kg car out for a spin, you go around a corner of radius 57 m with a speed of 11 m/s. The coefficient of static friction between the car and the road is 0.88. Assuming your car doesn't skid, what is the force exerted on it by static friction?
Sunday, March 6, 2011 at 11:14pm by Randy

Physics
When you take your 1200 kg car out for a spin, you go around a corner of radius 51 m with a speed of 12 m/s. The coefficient of static friction between the car and the road is 0.88. Assuming your car doesn't skid, what is the force exerted on it by static friction?
Tuesday, March 2, 2010 at 10:51pm by Abby

phyiscs
Using standard equation the height is given by: s=uT+0.5aT^2 if it is dropped u=0 s=0.5aT^2 2.90 t^3 = 0.5 9.8 T^2 substitute value for t as 1.75 s and find T
Monday, September 19, 2011 at 7:09am by Dr Russ

PHyiscs
A HELICOPTER hovering above a forest fire dumps a large bucket of water. How far does the water fall in the first 3.0 seconds t=3.0s
Friday, September 24, 2010 at 4:05pm by ANON

physics
A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is the maximum ...
Wednesday, November 28, 2012 at 11:42pm by Anonymous

Physics
To avoid slipping, the maximum static friction force, M g Us, must exceed the centripetal force M V^2/R Set them equal and solve for the static friction coefficient, Us. Us = V^2/(R*g) That will be the minimum value required.
Wednesday, February 9, 2011 at 11:44pm by drwls

circular motion
When you take your 1300-kg car out for a spin, you go around a corner of radius 57.7 m with a speed of 16.5 m/s. The coefficient of static friction between the car and the road is 0.93. Assuming your car doesn't skid, what is the force exerted on it by static friction?
Thursday, April 12, 2012 at 3:55pm by Anonymous

Science
The sun shine comes down in electro magnatic way and then it doesn't hit the air.It hits the earth directly and it becomes hot.This temperature can't reach in elevation.So the temperature differs from elevation to earth/soil,I think.Thank you.
Wednesday, September 14, 2011 at 4:41pm by Mubin

Static Electricity. 11th Grade Pre-AP Physics
Hi everyone. I also broke these up into separate questions because I figured it would be easier to answer that way in case your specialty is one of the questions and not static electricity as a whole. Thanks to everyone who helps!
Friday, February 25, 2011 at 2:08pm by Angela

physics
(a) The desk pushing against your hand (b) Your hand, pushing the desk. (c) The force applied to the desk was less than the amount necessary to overcome static friction. The desk is heavy and has a high static friction coefficient where the legs touch the floor. Newton's ...
Thursday, February 18, 2010 at 6:04am by drwls

Physics
When you take your 1300-kg car out for a spin, you go around a corner of radius 57.8 m with a speed of 15.2 m/s. The coefficient of static friction between the car and the road is 0.82. Assuming your car doesn't skid, what is the force exerted on it by static friction? ...
Tuesday, October 16, 2012 at 1:00am by Alyssa

physics 3
Static and Kinetic Friction: A 10 kg crate is at rest on a horizontal table (s =0.8, k =0.4). Then various amounts of horizontal pushing force are applied to it. a.) The largest pushing force that can be applied before the crate starts moving is of size: N b.)-d.) If the ...
Tuesday, September 23, 2008 at 11:46pm by kelsey

langauge arts
well i got them all acsept this one; 25. Select one story from the unit and identify the dynamic and static characters. For each character, identify why you labeled the character as either dynamic or static. (10 points)
Monday, January 28, 2013 at 5:04pm by diamond

college phyiscs
A car starts from rest on a curve with a radius of 160 m and accelerates at 1.80 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.20 m/s^2?
Sunday, October 11, 2009 at 11:57am by Amanda

Physics
If you try to push an object that is 10 times heavier than you would there be static or kinetic friction? ( the heavy object doesn't move if even you use force) -I know that there is no kinetic friction because the object is not moving. I am not sure about static friction.
Friday, June 24, 2011 at 5:20pm by Susan

Physics
A 3.66 kg block is placed on an inclined surface that makes an angle of 18.5° relative to horizontal. The coefficients of static and kinetic friction between the block and surface are 0.534 and 0.239, respectively. The block remains at rest when released. What is the ...
Thursday, May 10, 2012 at 11:20pm by Anonymous

physics
"An unbaked curve has a radius of curvature of 75m. On a winter day, with snow on the road, the coefficient of static friction between the tires of the car and the road is .23. What is the maximum speed with which the care can safely negotiate the cure?" r=75 and ...
Sunday, October 17, 2010 at 3:20pm by Anonymous

physics
A 1,660 kg car is parked on a hill with a slope of 8.0°. Its brakes and transmission are locked in position to keep the car from rolling. The coefficient of static friction of the rubber tires on the asphalt road is 0.14. What is the force of static friction between the ...
Tuesday, November 6, 2012 at 7:49pm by anon

physics
A 2000 kg car negotiates a curve of radius 40.0m on a level road. The static friction coefficient between the tires and the pavement is 0.7. Calculate the maximum force of static friction for the car and the maximum speed with which it will be able to negotiate the curve.
Monday, October 29, 2007 at 3:11pm by johnny

phyiscs help please
work done by friction? forcefriction*distance mu*(mg-3E2sin18)*distance check my thinking. Remember, the rope is pulling upward, so it reduces the normal force of weight.
Friday, October 29, 2010 at 10:37am by bobpursley

eng'g materials
The process depends on the metal being purified, and its contanimants. You need do settle on a particular metal. http://books.google.com/books?id=MJ8NAAAAYAAJ&pg=PA101&lpg=PA101&dq=gold+refining+electro&source=bl&ots=CxwkuFsILu&sig=...
Monday, August 10, 2009 at 9:35am by bobpursley

Science
Inclination angle of 38.0 degrees with respect to the horizontal. Suppose a truck on a street, for the truck to remain at rest, a static friction must exist. If an additional force with a magnitude equal to one-fourth the weight of the truck is applied uphill in order to hold ...
Thursday, March 24, 2011 at 9:51am by Taylor

college phyiscs
the angular acceleration is 1.60/160 in radian/s^2 I dont see how anything can be solved without know how long it accelerated at this acceleration. Displacement is a function of time, and acceleration.
Sunday, October 11, 2009 at 11:57am by bobpursley

phyiscs
Typo in first sentece: I meant to say: The important point is that an antenna that is much shorter than the wavelength will have a radiation resistance that will be far less than the internal ohmic resistance.
Friday, May 29, 2009 at 1:02pm by Count Iblis

Physics
I assume you mean the static coefficent of friction is .5 Given that, then the force of friction static on the top box is .5(5)g max. over that, and it slides. .5(5g)<ma .5*5g<5a or a=.5g Now to achieve that acceleration, then tension=totalmass*.5g=(15)(.5g)
Tuesday, October 6, 2009 at 10:22am by bobpursley

phyiscs
What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it? Answer i know the answer is 295 n/m but im nto sure how they got to it,
Tuesday, January 15, 2013 at 5:33pm by v

PHyiscs
Use: Distance S = ut+(1/2)gt² u=initial velocity =0 m/s g=acceleration due to gravaity=-9.8 m/s² t=time in seconds. S=vertical distance in metres.
Friday, September 24, 2010 at 4:05pm by MathMate

Science
Hello I have an exam coming and my question is : Why do we sometimes have a tiny electical current ( spark ) when we take our sweater off because of the shirt and jacket rubbing each other , the negative charges will have static electricity But for an electrical current , it ...
Monday, April 30, 2007 at 10:38am by Veronica

physics
The coefficient of static friction between the tires of a car and a horizontal road is 0.515. As the car brakes, what is the magnitude of the maximum acceleration of the car? Assume the net force on the car is the maximum static friction force.
Friday, February 5, 2010 at 8:09am by Kevin

Physics
A crate of potatoes of mass 23.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.78 and μk = 0.35. Find the frictional force (magnitude and direction) on the crate if the crate is at rest. I don't ...
Sunday, September 23, 2012 at 1:24am by Alyssa

Grade 6 Science
Here is a good site with pictures and examples. http://www.sciencemadesimple.com/static.html
Saturday, February 11, 2012 at 10:29pm by DrBob222

physics
A 3.0 m long ladder of weight 98. N leans against a frictionless wall at an angle of 60.° with respect to the horizontal. The coefficient of static friction between the ground and the ladder is µs=0.45. If the ladder is not sliding, the magnitude of the force of ...
Tuesday, January 11, 2011 at 8:00pm by noreen

PHYSICS
Please remove your caps lock in future. Perform a force balance. Let Us be the reuired static friction coefficient. (static) friction force = steel ball weight 50 kg * g *cos30 * Us = 20 kg * g Cancel out g; solve for Us. It will be a lower limit
Friday, September 16, 2011 at 2:44am by drwls

Java
The keyword static is used to qualify variables and methods within a class. When used, the one single copy (instance) of the associated variable or method will be shared within the class among the zero or multiple instances of the class. To give an example: public Anything ...
Monday, February 8, 2010 at 4:01am by MathMate

Physics
A 55 kg ice skater, initially at rest on a flat skating rink, requires a 198 N horizontal force to be set in motion. However, after the skater is in motion, a horizontal force of 175 N keeps her moving at a constant velocity. Find the coefficients of static and kinetic ...
Tuesday, December 5, 2006 at 11:28pm by Anonymous

phyiscs
Many kayaks are made of plastics and other composite materials that are denser than water. How are such kayaks able to float in water? Does the kayak displace water? What exactly is Archimedes's Principle?
Tuesday, May 8, 2007 at 9:43pm by Anonymous

phyiscs
Why is an antenna designed to be one-half of the wavelength of the wave it is supposed to receive? In my book all it says is that the voltage is larger when the antenna is 1/2 the wavelength of the wave.
Friday, May 29, 2009 at 1:02pm by sally

Phyiscs
find time to fall. h=1/2 g t^2 find time. g=32ft/sec^2 Now, the train: d=rt 50ft=v*t v will be in ft/sec
Monday, September 5, 2011 at 9:42am by bobpursley

Phyiscs
A rock is tossed straight up with a velocity of 33.9 m/s. When it returns, it falls into a hole 11.9 m deep. What is the rock's velocity as it hits the bottom of the hole?
Monday, October 4, 2010 at 8:24pm by Em

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