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July 25, 2014

Search: A 10 {\rm g} particle has the potential energy shown in the figure .How much work does the force do as the particle moves from x=2\;{\rm cm} to x=6\;{\rm cm}?

Number of results: 18,044

college
a .215kg particle is released from rest at point A in a smooth hemisperical bowl of radius .30m with a height of 2/3R. what is the gravitational potential energy at A relative to B?
July 19, 2010 by Anonymous

Physics help
A particle moving along the y-axis has the potential eneryg function U = 6 * y3 J where y is in m. What is the y-component of the force on the particle at 0 m? What is the y-component of the force on the particle at 9 m? What is the y-component of the force on the particle at ...
November 9, 2011 by Me

Physics
If a 60 kg meteor falls to earth from a great distance. How much gravitational potential energy does it lose? (the energy PE is 0 at a great distance). What happens to this potential energy? Final-Initial=-Gmm/r-0=change in energy
January 31, 2013 by Brittany

Physics 30
A particle accelerated by a potential difference enters a velocity selector. The particle travels staright when the magnetic field is 0.400 T and the electric field is 6.30 x 10^5 V/m. Once the electric field is turned off, a sensor determines that the radius or the particle's...
May 23, 2010 by Farah

Physics
So I did in an experiment and the results I got were the potential energy when the spring compresses is 0 and when it stretches is 1.42. This spring is vertical and has a 250 gram weight attached to it. I was very confused when i got these results because I thought the ...
June 23, 2011 by Janice

PHYSICS
A particle with a mass of 2.00x10-16 kg and a charge of 22.0 nC starts from rest, is accelerated by a strong electric field, and is fired from a small source inside a region of uniform constant magnetic field 0.660 T. The velocity of the particle is perpendicular to the field...
July 2, 2011 by jim

Physics
a particle (C) of mass m = 0.2 kg can slide without friction on an inclined plane making an angle alfa (a) = 30 degrees with respect to the horizontal (aka ground) . (C) is launched at at an instant to=0 along a line Ox of greatest slope with an initial velocity of Vo =5 m/s...
September 24, 2011 by PlzhelptheyllkillmeifIgetthiswrong

physics
A 2.48-kg rock is released from rest at a height of 28.1 m. Ignore air resistance and determine (a) the kinetic energy at 28.1 m, (b) the gravitational potential energy at 28.1 m, (c) the total mechanical energy at 28.1 m, (d) the kinetic energy at 0 m, (e) the gravitational ...
February 28, 2011 by heather

physics
A 2.48-kg rock is released from rest at a height of 28.1 m. Ignore air resistance and determine (a) the kinetic energy at 28.1 m, (b) the gravitational potential energy at 28.1 m, (c) the total mechanical energy at 28.1 m, (d) the kinetic energy at 0 m, (e) the gravitational ...
February 28, 2011 by heather

physics
A 3.56-kg rock is released from rest at a height of 15.2 m. Ignore air resistance and determine (a) the kinetic energy at 15.2 m, (b) the gravitational potential energy at 15.2 m, (c) the total mechanical energy at 15.2 m, (d) the kinetic energy at 0 m, (e) the gravitational ...
March 31, 2013 by Anonymous

quantum chemistry or physics
How can I solve the following exercise: Use perturbation theory to calculate the energy levels of a particle in a box with a cosine function botto. Let the box extend from x=0 to x=a and let the perturbing potential be H' = V0[1+cos(2*Pi*m*x/a)]. This potential oscilates ...
June 16, 2011 by Juan Manuek

Physics
A particle of mass m0 is given a kinetic energy equal to one-third its rest-mass energy. How fast must the particle be traveling
April 25, 2010 by Leah

Physic
A 10 kg particle moving along the x-axis experiences the force shown in figure. The particle goes from v=1.0m/s at x=0 and v=5.0 m/s at x=2. What is the f max?
October 30, 2012 by J

physics
when you dive from atop a tall flagpole into a swimming pool below. His potential energy at the top is 14000 J (relative to the surface of the pool).What is his kinetic energy when his potential energy reduces to 1000 J?
March 3, 2012 by Mrs G

algebra
The kinetic energy of a particle of mass m is found by taking one half of the product of the mass and the square of the velocity. Write an expression for the knetic energy of a particle. KE=.5mv^2
January 31, 2007 by angela

Physics
A particle of mass m0 is given a kinetic energy equal to one-third its rest-mass energy. How fast must the particle be traveling? please include units
April 8, 2010 by Kyle

Conservation of energy
Can someone explain to me what happens when you take a slap shot in hockey according to conservation of energy? I think that when you wind up you have potential energy, then when you swing the stick towards the puck you have kinetic energy, then when the stick flexes you have ...
June 13, 2011 by Kyle

Physics
So I did in an experiment and the results I got were the potential energy when the spring compresses is 0 and when it stretches is 1.42. This spring is vertical and has a 250 gram spring attached to it. I was very confused when i got these results because I thought the ...
June 23, 2011 by Janice

Physics
The potential energy of a particle on the x-axis is given by U+ 8xe ^-xsquared/19 where x is 1 meter and U is in Joules. Please find the point on the x-axis for which the potential is a maximum or minimum. I've worked it three times and I get these three answers. Which one is ...
November 24, 2009 by Ahley

Physics
The electric potential energy of an object at point A is known to be 60 J. If it is released from rest at A, it gains 20 J of kinetic energy as it moves to point B. What is its potential energy at B?
May 5, 2012 by Hunter

physics
a particle of mass m moving with a speed v meters per second strikes a particle of mass 3m at rest and joins together. express the final kinetic energy as a fraction of initial energy
May 5, 2014 by ken

college physics
Explain each of the following questions. ( a) Can an object Earth system have kinetic energy and not gravitational potential energy? ( b) Can it have gravitational potential energy and not kinetic energy? ( c) Can it have both types of energy at the same moment? ( d) Can it ...
October 5, 2010 by matt

science
How much work does it take to raise a 3kg object 5m into the air? (a) What is the potential energy of the object when it is 5m in the air? (b) What does this tell you about the potential energy you get when you do work to lift an object? (c) If you drop the object, how fast is...
October 22, 2011 by Ali

physics
Explain each of the following questions. ( a) Can an object Earth system have kinetic energy and not gravitational potential energy? ( b) Can it have gravitational potential energy and not kinetic energy? ( c) Can it have both types of energy at the same moment? ( d) Can it ...
October 5, 2010 by matt

physics
How much kinetic energy is gained by an electron that is allowed to move freely through a potential difference of 2.5 10^4 V? -- U=qV =(1.6*10^-19)(2.5*10^4) =4*10^-15 I'm not sure what other formulas i can use, or how to relate potential energy to kinetic energy because ...
February 26, 2010 by Anonymous

Calc
a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions bounded by the t-...
May 19, 2008 by sammy

help math
a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions bounded by the t-...
May 20, 2008 by dave

Physics
Consider the gravitational potential, kinetic, and total mechanical energies of a cart moving down an inclined ramp. (Also, let gravitational potential energy be defined to be zero when the cart is at the bottom of the ramp. A. Write an expression for the gravitational ...
March 13, 2014 by Tim

Physics help!!!!!!
A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.2 10-12 N. What is the gravitational potential energy of the two-particle system? a) A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.2 10...
January 14, 2007 by Jessy

physical science
A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has: Answer no energy. kinetic energy only. potential energy only. both kinetic and potential energy.
September 10, 2011 by Allison

physics
A charged particle of mass 8.3910−4 kg starts from rest and accelerates through a potential difference of +25,000 V to reach a speed of 1170 m/s. What is the charge on this particle?
November 14, 2013 by linda

Integrated Physics and Chemistry
The internal energy of a material is determined by.. A)its temperature B)the kinetic energy of its molecules C)the potential energy of its molecules D)the combined amount of kinetic and potential energy of its molecules
April 19, 2011 by Ashley

math
the formula for potential energy is p=mgh, where p is potential energy, m is mass, g is gravity, and h is height. what expression can be used to represent g?
May 30, 2008 by derek

math
the formula for potential energy is p= mgh, where Pis potential energy, m is mass, g is gravity, and h is height. which expression can be used to represent g? 1 p-m-h 2 p-mh 3 p/m0-h 4 p/(mh)
May 7, 2009 by Anonymous

Physics
6) If a flea has a mass of 2.0x10^2 micrograms jumps vertically to a height of 65mm and 75% of the energy comes from elastic potential energy stored in the protein, determine the initial quantity of elastic potential energy. drwls said to use: (1/2)M g H = (0.75)E where E is ...
May 19, 2008 by Alex

science
can you help me with a sentence or two - analyze how potential energy is to an objects position and give examples of gravitatinal adn elastic potential energy PE - mgh
April 29, 2008 by claire test tommorrow

physics
Q.1.Find the total mechanical energy in one time period? my sir says that it is (1/2)mw^2A^2 but according to me it should be 1/4mw^2A^2.How? Q.2.The total mechnical energy of a spring mass system in SHM is E = (1/2)mw^2A^2.Suppose the oscillating particle is replaced by ...
December 25, 2009 by anonymous

chemistry
in a exothermic reaction ________ energy is converted to ________ energy. A. potential, kenetic B. kinetic, potential C. thermal, potential D. heat, thermal
March 5, 2011 by emily

Physics
1-A car is lifted a certain distance in a service station and therefore has potential energy with respect to the floor. If it were lifted twice as high, how much potential energy would it have? Answer: twice as much 2-Two cars, one twice as heavy as the other, are lifted to ...
December 9, 2009 by Emily

Physics Help!!
Suppose the kinetic energy of an object moving is 15 J and the potential energy is 25 J at some point in time. Then I measure the potential energy some time later and find it to be 10 J. What is the new kinetic energy?
October 8, 2010 by Liz

physics
A frictionless pendulum of length 3 m swings with an amplitude of 10◦. At its maximum displacement, the potential energy of the pendulum is 10 J. What is the kinetic energy of the pendulum when its potential energy is 5 J? 1. K = 10 J 2. K = 3.3 J 3. K = 6.7 J 4. K = 15 ...
January 5, 2010 by Anonymous

Physics-potential energy
In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.052910−9m when it is in the n=1 state. What is its electric potential energy?
November 3, 2010 by Kristy

science
how can you determine whether an object has gravitational potential energy or elastic potential energy?
February 15, 2012 by melanie.

science
please help me im stuck on this last one !! .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to ...
February 4, 2014 by taylor

Need help on Physics!!
Three uniform spheres are fixed at the positions shown in the diagram. Assume they are completely isolated and there are no other masses nearby. (a) What is the magnitude of the force on a 0.20 kg particle placed at the origin (Point P)? What is the direction of this force? (b...
March 31, 2014 by Nick

Please help me ASAP!!!
Three uniform spheres are fixed at the positions shown in the diagram. Assume they are completely isolated and there are no other masses nearby. (a) What is the magnitude of the force on a 0.20 kg particle placed at the origin (Point P)? What is the direction of this force? (b...
March 31, 2014 by Eli

physics
A 17.0 kg child travels down a playground slide 3.50 m high and reaches the bottom with a speed of 2.50 m/s. How much heat was generated due to friction as a result of this process? my teacher hadn't taught anything about heat..but he did give us this question, thus, i got no ...
February 23, 2007 by Cathy

Physics
Particle A has twice the mass of particle B, and carries three times the charge of B charge. Both particles are sent perpendicularly through a uniform magnetic field, each with the same kinetic energy. What is the ratio of the radius of evolution of particle A to that of B
May 23, 2009 by Sandhya

physics
Friction converts kinetic energy to a. mechanical energy b. potential energy c. nonmechanical energy d. total energy i don't think its B,..
February 21, 2009 by Bella

Physics
A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right at 38 m/s? .....i have tried two different ways and gotten the wrong answer. Kinetic Energy = 0.5 * Mass * (Change in Velocity)^2. Change in ...
November 29, 2009 by Haley

Physics Mechanics
Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 3.00 times the mass of B, and the energy stored in the ...
February 23, 2011 by D

physics
What is the difference between gravitational potential energy and elastic potential energy?
March 9, 2012 by THEBOSS

physics
A parallel capicitor is made of two plates with cross sectional area A which are separated by a distance d (with a vacuum between the plates). The capacitor is connected to a battery until a charge Q is stored on it and a total potential difference VC is measured across the ...
March 14, 2013 by k

Physics
A 215 g particle is released from rest at point A (the middle of one side) inside a smooth hemispherical bowl of radium 30.0 cm. Calculate the gravitational potential energy at A relative to B. (B is in bottom-middle of the bowl) Ok, so PE_g=mgh. How would I find the height of...
December 5, 2006 by Becca

physics
A particle with a charge 7C and a mass of 20kg is traveling in a circular path around a fixed particle of charde -5C. The velocity is observed to be 3000m/sec. A 9C particle with the same velocity is instead in the presence of a uniform electric field of 250N/C as shown. What ...
December 20, 2010 by dipset

Physics (Potential & Kinetic energy)
A 2.0 kg rock falls from a height of 25 m to a point 20 m above the ground. a) how much potential energy does it lose? b) How much kinetic energy does it gain? Thanks.
January 11, 2010 by Anna

physics
A circular wire loop has radius R = 0.327 m and carries current i = 0.291 A. The loop is placed in the xy-plane in a uniform magnetic field pointing in the negative z direction with magnitude 3.83 T, as shown in the figure. a) Determine the magnitude of the loops magnetic ...
December 10, 2012 by Anonymous

Physics
in a compressed spring, energy is in the form of (a) kinetic energy (b) potential energy (c) chemical energy (d) sound energy
August 18, 2010 by Anonymous

Physics
A 10kg particle undergoes simple harmonic motion with an amplitude of 2.0mm, a maximum acceleration of 8.0x10^3 m/s^2, and an unknown phase constant (phi) What are: a.) the period of the motion b.) the maximum speed of the particle c.) total mechanical energy of the oscillator...
November 30, 2010 by Greg

physics
A 14 N force with a fixed orientation does work on a particle as the particle moves through displacement d = (2i - 4j + 3k) m. What is the angle between the force and the displacement if the change in the particle's kinetic energy is (a) +7.54 J and (b) -7.54 J?
October 18, 2010 by Sam

physics
A 13 N force with a fixed orientation does work on a particle as the particle moves through displacement . What is the angle between the force and the displacement if the change in the particle's kinetic energy is (a) +9.19 J and (b) -9.19 J?
October 17, 2012 by Science

Physics
a pendulum bob with a mass of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an angle of 90 degrees with the vertical. (a) find the potential energy of this system when the string makes an angle of 45 ...
January 26, 2011 by Erica L

Physics help
a pendulum bob with a mass of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an angle of 90 degrees with the vertical. (a) find the potential energy of this system when the string makes an angle of 45 ...
January 26, 2011 by Erica L

physics
A 0.4 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system is increased from zero to 200 J. Ignoring friction, what is the kinetic energy of the system after the mass is released and has moved to a point where the ...
November 7, 2011 by Anonymous

physicis
a 0.30 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system is increased from zero to 120 J. Ignoring friction what is the kinetic energy of the system after the mass is released and has moved to a point where the ...
February 15, 2013 by Laura

Physics
An -particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.10 106 V and then enters a uniform magnetic field whose magnitude is 3.10 T. The -particle moves perpendicular to the magnetic field ...
February 6, 2012 by DCM

Physics
An -particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.16 106 V and then enters a uniform magnetic field whose magnitude is 3.00 T. The -particle moves perpendicular to the magnetic field...
March 25, 2013 by Don

physics
A 1 x10^3 kg roller coaster car is initially at the top of a rise, at point A. It then moves 50 m at an angle of 40 degrees below the horizontal to a lower point, B. (a) Choosing point B as the zero level of gravitational potential energy, find the potential energy of the car ...
October 22, 2007 by Anonymous

Physics I NEED HELP!!!
of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an angle of 90 degrees with the vertical. (a) find the potential energy of this system when the string makes an angle of 45 degrees with the vertical. (b...
January 26, 2011 by Erica L

Physics I NEED HELP!!!
of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an angle of 90 degrees with the vertical. (a) find the potential energy of this system when the string makes an angle of 45 degrees with the vertical. (b...
January 26, 2011 by Erica L

Physics ~Conservation of Energy~
1.) At one point in its fall, an object (m=2.5 kg.) has a kinetic energy of 5 J(joule) and a potential energy of 10 J. a) what is the total energy of the system? b) what is the velocity at this point? The object continues to another point where its potential energy is 3J(joule...
January 30, 2013 by Isis

Physics
In a mechanical experiment with an isolated object, only Ekin and Epot of the object change. If the object accelerates from 5 m/s to 10 m/s, its potential energy has? My ans: Potential energy has decreased by a factor of 2 because kinetic energy has increased by a factor of 2?
November 17, 2009 by Nikita

physics
A 0.500 kg is thrown vertically upward from the ground with an initial speed of 12.0 m/s. Define the initial potential energy to be zero on the ground. What are the potential energy and kinetic energy of the ball at 2.50m above the initial position?
November 8, 2012 by Jeff

science
1. How much potential energy does a 5kg block have if it is 2m above the ground? 2. What is the mass of an object that has 40J of potential energy and is 10m above the ground? 3. What is the weight of an 8kg object? 4. How much work does it take to lift an 8kg object 2m? 5. ...
October 22, 2011 by Dave

science (check new answer)
please check my answser .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to come to a stop? A....
February 4, 2014 by taylor

physics
A particle moves along the axis under the influence of a variable force = 6.8 + 4.4 where the force is measured in Newtons and the distance in meters. What is the potential energy associated with this force at = 4.0 m? Assume that = 0 J at = 0 m
March 4, 2008 by shelby

physics
A particle moves along the axis under the influence of a variable force = 6.8x^2 + 4.4x where the force is measured in Newtons and the distance in meters. What is the potential energy associated with this force at = 4.0 m? Assume that = 0 J at = 0 m
March 4, 2008 by shelby

Physics
A 1200-kg roller coaster car is initially at the top of a rise, at point circle a. It then moves 145 ft, at an angle of 40.0 below the horizontal, to a lower point circle b. (a) Choose the car at point circle b to be the zero configuration for gravitational potential energy ...
October 29, 2011 by Anonymous

physics
The velocity graph of a particle moving along the x-axis is shown. The particle has zero velocity at t=0.00 s and reaches a maximum velocity, vmax, after a total elapsed time, ttotal. If the initial position of the particle is x0=7.28 m, the maximum velocity of the particle is...
January 25, 2011 by Markus

Physics
A spring has an unstretched length of 9.8 cm. The potential energy stored in the spring is V when the spring is streched to a length of 11.8 cm. What is the stretched length of the spring when its potential energy is 2.2 V? What compressed length will result in a potential ...
October 7, 2013 by Maddie

physics
A 10 g particle undergoes Simple Harmonic Motion with an amplitude of 2.0 mm, a maximum acceleration of magnitude 8.0 X 10^3 m/s^2, and an unknown phase constant, theta. What are a.) the period of the motion, b.) the maximum speed of the particle, and c.) the total mechanical ...
November 30, 2010 by Scott

Physics multiple choice questions
1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
April 7, 2014 by Jessica

Physics multiple choice questions
1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
April 8, 2014 by Jessica

PHYSICS
a MAGNET CAN EXERT A FORCE ON A MOVING CHARGED PARTICLE, BUT IT CAN NOT CHANGE THE PARTICLE'S KINETIC ENERGY. WHY?
February 6, 2008 by tina

Physics
A magnet can exert a force on a moving charged particle, but it cannot change the particle's kinetic energy. Why not?
February 9, 2008 by Heather

physics
Particle 1 and particle 2 have masses of m1 = 1.510-8 kg and m2 = 6.210-8 kg, but they carry the same charge q. The two particles accelerate from rest through the same electric potential difference V and enter the same magnetic field, which has a magnitude B. The particles ...
December 5, 2012 by Anonymous

physics
A stone is thrown vertically upward. On its way up it passes point A with speed, v and point B, 3 m higher than A, with speed 1/2v. Calculate a) the speed v and b) the max height reached by the stone above point B. I can't find the equation You need to derive the solution in ...
September 17, 2006 by jenny

physics
the maximum height a typical person can jump from a crouched start is about 60cm. By how much does the gravitational potential energy increase for a 72kg person in such a jump? Where does this energy come from? I know the formula for gravitational potential energy is U=mgh. I ...
December 7, 2010 by physics

Physics - gravitational potential energy
When developing the equation for gravitational potential energy, why is it necessary to assume that the mass is rising at a constant speed?
October 6, 2010 by Shaila

uni physics
A balloon of radius 30.0 cm is sprayed with a metallic coating so that the surface is conducting. A charge of 8.8510−8 C is placed on the surface. What is the potential on the balloon's surface? 2.6510^3 V Suppose that the some air is let out of the balloon, so that ...
September 25, 2013 by Aman

chemistry
Consider a system consisting of two oppositely charged spheres hanging by strings and separated by a distance r1, as shown in the accompanying illustration. Suppose they are separated to a larger distance r2 , by moving them apart along a track. What is the potential energy, ...
October 11, 2011 by echo

Physics
Problem 1- In one day, a 85 kg mountain climber ascends from the 1440 m level on a vertical cliff to the top at 2360 m . The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m . a) What is her gravitational potential energy on the ...
December 12, 2013 by Anonymous

science
the potential energy of an electron in H-atom is -13.6eV.if the potential energy of an electron in He+ ion is -3.4eV ,what would be the excited state of He+?
July 14, 2014 by akanksha

physics
In one day, a 85 kg mountain climber ascends from the 1440 m level on a vertical cliff to the top at 2360 m . The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m . a) What is her gravitational potential energy on the first day? ...
January 6, 2014 by rock

physics
Two particles A and B are in uniform circular motion about a common center. The acceleration of particle A is 4.7 times that of particle B. Particle B takes 2.4 times as long for a rotation as particle A. Th ratio of the radius of the motion of particle A is that of particle B...
September 23, 2011 by Audrey Petricevich

physics
ok i need help on this other question please A 56.0 kg skier is at the top of a slope. At the initial point A, the skier is 14.0 m vertically above the final point B. (a) find the difference in gravitational potential energy associated with the skier at the points A and B if ...
November 2, 2008 by Claudia

science
A 4kg block is sitting on the floor. (a) How much potential energy does it have? (b) How much kinetic energy does it have? (c) The block is raised to 2m high. How much potential energy does it have? (d) The block is raised to 4m high. How much potential energy does it have? (e...
October 22, 2011 by Ali

Physics
Determine the electric potential energy for the array of three charges shown in the drawing, relative to its value when the charges are infinitely far away. (Let q1 = 8.48 C, q2 = 19.2 C, and q3 = -16.1 C.)
April 5, 2013 by Emilie

Physics
Determine the electric potential energy for the array of three charges shown in the drawing, relative to its value when the charges are infinitely far away. (Let q1 = 8.48 C, q2 = 19.2 C, and q3 = -16.1 C.)
April 7, 2013 by Emilie

algebra
The kinetic energy of a particle of mass m is found by taking one-half of the product of the mass (M) and the square of the veocity (V). write an expression for the kinetic energy of a particle. Am i correct in writing KE=1/2mv^2 yes can u help me study for my algebra test ...
March 11, 2007 by Ann

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