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Topic: Elastic potential energy

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	The Physics Classroom (Site not responding. Last check: 2007-10-11)
		The gravitational potential energy of the heavy ram of a pile driver is dependent on two variables - the mass of the ram and the height to which it is raised.
		Elastic potential energy is the energy stored in elastic materials as the result of their stretching or compressing.
		Elastic potential energy can be stored in rubber bands, bungee chords, trampolines, springs, an arrow drawn into a bow, etc. The amount of elastic potential energy stored in such a device is related to the amount of stretch of the device - the more stretch, the more stored energy.
	www.physicsclassroom.com /Class/energy/u5l1b.html (1156 words)

	Potential energy - Wikipedia, the free encyclopedia
		The factors that affect the amount of gravitational potential energy that is created are: the mass of the object, the distance that it is raised and the gravitational field strength.
		Chemical energy is a form of potential energy related to the breaking and forming of chemical bonds.
		A graph of a 1D or 2D potential function with the function value scale increasing upward is useful to visualize the potential field: a ball rolling to the lowest part corresponds to a mass or charge, etc. being attracted.
	en.wikipedia.org /wiki/Potential_energy (1464 words)

	elastic potential energy - Hutchinson encyclopedia article about elastic potential energy (Site not responding. Last check: 2007-10-11)
		Energy stored in an object when it is deformed or changes its configuration.
		For example, by stretching a rubber band or compressing a spring, energy is stored in the band or spring.
		By releasing the stretched band or compressed spring, the elastic potential energy is converted to kinetic (motion) energy.
	encyclopedia.farlex.com /elastic%20potential%20energy (113 words)

	Encyclopedia: Modulus of elasticity (Site not responding. Last check: 2007-10-11)
		In solid mechanics, Young's modulus (also known as the modulus of elasticity or elastic modulus) is a measure of the Stiffness of a given material.
		The SI unit of modulus of elasticity is the Pascal.
		E is the elastic potential energy, measured in joules
	www.nationmaster.com /encyclopedia/Modulus-of-elasticity (537 words)

	Elastic or Spring Potential Energy
		This force is proportional to the distance the spring is stretched or compressed (at least for distances not too large), and the elastic potential energy associated with the force is proportional to the square of this distance.
		In this situation we then have three types of energy - the kinetic energy of the mass, the potential energy of the spring, and the gravitational potential energy of the mass.
		The total energy is the sum of these three energies, and is conserved, but like before the individual forms of energy may transform amongst each other.
	theory.uwinnipeg.ca /mod_tech/node33.html (287 words)

	Elastic Strings
		Elastic strings are strings which are not a fixed length (they can be stretched).
		The length of an elastic string which does not have any forces acting upon it is known as the natural length of the string.
		is the modulus of elasticity of the string, x is the extension of the string and l is the natural length of the string.
	www.mathsrevision.net /alevel/pages.php?page=80 (275 words)

	Elastic Potential Energy (Site not responding. Last check: 2007-10-11)
		Elastic potential energy is Potential energy stored as a result of deformation of an elastic object, such as the stretching of a spring.
		It is equal to the work done to stretch the spring, which depends upon the spring constant k as well as the distance stretched.
		Since the change in Potential energy of an object between two positions is equal to the work that must be done to move the object from one point to the other, the calculation of potential energy is equivalent to calculating the work.
	hyperphysics.phy-astr.gsu.edu /hbase/pespr.html (193 words)

	Kinetic & Mechanical Energy
		The "energy of motion" is called kinetic energy; it is the energy that an object has because it's moving, like a baseball flying through the air, a bee whizzing by, an ice skater twirling, or a model train barreling down its track.
		Mechanical energy involves also quantizing the value of its potential energy as well as other energies, so that the total energy of the system is in some relation to is volume, thus much better control of variables relating to its function.
		Kinetic Energy: kinetic energy is the energy which is in the process of being utilized not including the mass of an object and having a value of force with or without motion.
	www.greenspun.com /bboard/q-and-a-fetch-msg.tcl?msg_id=003Onq (2425 words)

	Elastic potential energy (Site not responding. Last check: 2007-10-11)
		More information on cardiac action potential is not kinetic energy and potential energy is not redox potential, potential structural graded potential is event related potential into global warming potential and this is the best resource on cell potential.
		example of potential energy and particle in a spherically symmetric potential question to ask your potential employer, potential and kinetic is required by potential output.
		More information on standard potential by excitatory postsynaptic potential and equilibrium potential by osmotic potential, standard electrode potential is the same as potential flow in two dimensionbiotic potential, potential election poll result 2004 by state, transmembrane potential and best gravitational potential creates the need for auditory evoked potential.
	www.toptraffic.biz /marketing/elasticpotentialenergy.php (486 words)

	What_is_Energy (Site not responding. Last check: 2007-10-11)
		Potential energy appears in many different forms, and is defined as the energy in matter due to its position or the arrangement of its parts.
		For an electrical appliance you plug in, the electrical potential energy is maintained by a spinning generator of a power plant, hydroelectric dam, or a windmill.
		Sound is made up of vibrations (put your hand on a stereo speaker), thermal energy consists of moving molecules in air or in an object, and mechanical energy is the combination of kinetic and potential energy of a moving object.
	www.uwsp.edu /cnr/wcee/keep/Mod1/Whatis/energyforms.htm (859 words)

	Bar Chart Illustrations
		Initially, the car has kinetic energy (since it is moving) but does not have gravitational potential energy (since the height is zero) nor elastic potential energy (since there are no springs).
		The skier has gravitational potential energy in both the initial and the final states (since the skier is at an elevated position).
		This equation shows that the total mechanical energy (potential energy plus kinetic energy) is the same in the initial state as it is in the final state.
	www.glenbrook.k12.il.us /gbssci/phys/Class/energy/u5l2c.html (2057 words)

	[No title]
		Elastic limit as measured in tests and used in design may be defined as that unit stress at which the deformation begins to increase in a faster ratio than the applied load.
		Within the elastic limit it is also a measure of the potential energy stored in the material and represents the amount of work the material would do upon being released from a state of stress.
		Within the elastic limit the relative stretching and contraction of the fibres is directly[9] proportional to their distances from a plane intermediate between them--the ~neutral plane~.
	www.gutenberg.net /1/2/2/9/12299/12299.txt (14624 words)

	Physics Tutoring: Potential Energy and Conservation of Energy (Site not responding. Last check: 2007-10-11)
		As it falls, its potential energy decreases because the elevation h decreases, and its kinetic energy increases because its velocity increases (kinetic energy is given by KE = 1/2 mv
		The energy expended by the climber on the way up is regained, free of charge, from the work done by the force of gravity on the way back to the bottom of the valley.
		A: a) The potential energy of an object is, by definition, the energy of position with respect to a given reference.
	www.slcc.edu /schools/hum_sci/physics/tutor/2210/potential_energy (678 words)

	Potential energy - Wikibooks
		Potential energy is the energy stored in an object due to its position.
		Elastic potential energy is the energy stored in a compressed on an elongated object, for example a spring.
		It should be noted that the amount of energy is the same regardless whether the object is compressed or elongated.
	en.wikibooks.org /wiki/Potential_energy (156 words)

	Types of Potential Energy
		Potential energy is a type of energy that is "hidden" in some way.
		Gravitational potential energy is typically converted into kinetic energy (an object falling) before it is converted into any other type of energy.
		Lot's of heat and/or light energy is released when very strong bonds form, because much of the potential energy is converted to heat and/or light energy.
	chemsite.lsrhs.net /chemKinetics/PotentialEnergy.html (424 words)

	Chapter 10
		The negative gravitational potential of the universe is bound to the positive energy of the universe.
		The negative gravitational potential of the present universe was crystallized by a disparity in the strength of the forces.
		The positive energy of the present universe was pinned to its negative gravitational potential by a change in boundary.
	www.angelfire.com /scifi2/zpt/chaptera.html (2768 words)

	potential energy - a Whatis.com definition
		Potential energy, expressed in science as U, is energy that is stored within an object, not in motion but capable of becoming active.
		Once an object is in motion, potential energy is converted to kinetic energy, which is the energy of motion.
		Other types of potential energy include chemical, which is related to the formation of chemical bonds and electrical, expressed as voltage.
	whatis.techtarget.com /gDefinition/0,294236,sid44_gci1021198,00.html (201 words)

	Potential Energy
		For example, the heavy heavy ball of a demolition machine is storing energy when it is held at an elevated position.
		The gravitational potential energy of the massive ball of a demolition machines is dependent on two variables - the mass of the ball and the height to which it is raised.
		Knowing that the potential energy at the top of the tall platform is 50 J, what is the potential energy at the other positions shown on the stair steps and the incline?
	www.glenbrook.k12.il.us /gbssci/phys/Class/energy/u5l1b.html (1008 words)

	Conservation of Energy (Site not responding. Last check: 2007-10-11)
		Gravitational potential energy comes from moving an object farther away from a source of a gravitational field.
		Elastic potential energy is energy that is stored in anything that is flexible, such as a spring or a rubber band.
		The total amount of mechanical energy in a system is the sum of the kinetic energy of the system and the potential energy of the system.
	webphysics.iupui.edu /152/152f03/152Basics/work/work2.html (406 words)

	Work, Potential Energy, and Conservation of Energy
		Simply put: the energy of the system anywhere on its path is constant, the only thing that may change is the type of energy involved.
		The initial energy of the system is purely elastic potential energy since the spring is compressed and the mass is initially at rest.
		The initial energy of the system is purely gravitational potential energy, and the final energy is a combination of gravitational potential energy (it is 0.20 m below our reference point) and elastic potential energy (the object stops momentarily as it fully compresses the spring).
	www.phys.ttu.edu /~rirlc/pe.html (1454 words)

	BBC - GCSE Bitesize - Physics \| Energy \| Energy facts
		The amount of kinetic energy at the end is always less than the amount of potential energy you had to start with.
		The amount of kinetic energy or potential energy is measured in joules (J), as with all forms of energy.
		Energy stored by an elastic object when it is stretched or squashed.
	www.bbc.co.uk /schools/gcsebitesize/physics/energy/potentialandkineticrev2.shtml (228 words)

	Potential Energy and Conservation of Energy (Site not responding. Last check: 2007-10-11)
		A force is conservative if it causes a change in mechanical energy E, which is defined as the sum of kinetic and potential energy.
		The sum of the kinetic and potential energies-the total mechanical energy E- remains constant.
		Find the potential energy of the roller coaster – Earth system at points A and B and the change in its potential energy as the coaster move.
	www.wilsonhs.org /benjamin/apphyCH8.htm (732 words)

	Elastic Potential Energy
		This potential energy can be changed to kinetic energy by releasing the spring and allowing it to pull (or push) back towards its equilibrium position.
		The elastic potential energy contributes to the total mechanical energy of the harmonic oscillator:
		In the absence of friction, the total mechanical energy is conserved, i.e.
	theory.uwinnipeg.ca /physics/shm/node3.html (218 words)

	Potential energy - InfoSearchPoint.com (Site not responding. Last check: 2007-10-11)
		Potential energy or potential is energy stored in an object or substance.
		Where $h_0$ is the radius of the sphere, M is the mass of the sphere, and G is the gravitational constant.
		This energy is stored in a molecular substance such as a hydrocarbon, which may be released by a chemical reaction (see oxidation)
	www.infosearchpoint.com /display/Potential_energy (846 words)

	Aerosols and pressure. What is the kinetic theory?
		This means that a particle can have kinetic energy (because it is moving) and elastic potential energy – stored in the springy bond when it is stretched.
		The total energy of the oscillator is the sum of its kinetic energy and elastic potential energy.
		So the total internal energy of the solid is the sum of all the kinetic energies and potential energies of all the particles.
	www.schoolscience.co.uk /content/5/physics/bama/aerosch2pg1.html (495 words)

	AUFBAU1 [EXPERIMENTAL SECTION: #15] (Site not responding. Last check: 2007-10-11)
		However, both forms can be conveniently divided into various types; e.g., chemical, elastic, gravitational, and nuclear are all types of potential energy.
		Elastic potential energy is stored in a number of substances (e.g., in compressed springs, stretched rubber, and compressed gases), and then transduced into kinetic energy (e.g., in clockwork toys, trampolines, and combustion engines); as with all energy transductions, there is also a transfer of 'low-grade' heat energy to the surroundings.
		Despite the availability of well-established equations to measure energy (e.g., elastic potential energy = 0.5 × force × extension), it is often necessary to determine new relationships by experiment...
	www.wissensdrang.com /auf1e15.htm (264 words)

	ESPN SportsFigure - Interactive Zone Results
		When the spring 'springs' this elastic potential energy becomes kinetic energy and the rubber toy moves.
		Its kinetic energy is being converted into gravitational potential energy.
		When it no longer has any kinetic energy, it has reached its maximum height and starts to descend turning the gravitational potential energy back into kinetic energy.
	sportsfigures.espn.com /sportsfigures/lp_elastic_racket.jsp?iAm=null (368 words)

	The Project Gutenberg eBook of The Mechanical Properties of Wood, by Samuel J. Record, M.A., M.F.
		Resistance to impact is resistance to energy which is measured by the product of the force into the space through which it moves, or by the product of one-half the moving mass which causes the shock into the square of its velocity.
		Within the elastic limit the formulæ for calculating the stresses are based on the assumption that the deflection is proportional to the stress in this case as in static tests.
		Within the elastic limit the elongations and shortenings are equal, and the neutral plane lies in the middle of the beam.
	www.gutenberg.net /1/2/2/9/12299/12299-h/12299-h.htm (9957 words)

	Inclusions on Fluid Membranes Anchored to Elastic Media -- Turner and Sens 76 (1): 564 -- Biophysical Journal
		The breakdown of linear elastic response, as observed by AFM,
		We have presented evidence that linear elastic theory is inadequate to describe the response of a cell to forces in excess
		Elasticity and hydrodynamic properties of doped solvent dilute lamellar phases.
	www.biophysj.org /cgi/content/full/76/1/564 (4603 words)

	Potential Energy (Site not responding. Last check: 2007-10-11)
		Potential energy is the ability to do work, or stored energy.
		Potential energy is always in relation to another potential surface.
		For example, gravitational potential energy can be chosen for a height above a ground, above a table, or at any low point that we will call h = 0.
	wshs.wtvl.k12.me.us /~zmunson/mech16.htm (149 words)

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