Transcription of Potential energy - UMass
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Potential energy - UMass
Physics 190E: energy & SocietyFall 2007 Physics of energy II - 1 Now, let s talk about a second form of energyPotential energyImagine you are standing on top of half dome inYosemite valley, holding a rock in your rock has no kinetic energy , but if you threwit off the cliff it would have quite a bit of kineticenergy by the time it hit the valley say that the rock has Potential energy . If mis the mass of the rock and h the height aboveground, the Potential energy of the rock is g here?Let s pick up where we left off last topic was gravitational potentialenergyPhysics 190E: energy & SocietyFall 2007 Physics of energy II - 2 Reading assignment intextbook - chapter 3 - work, energy & powerRecall also the reading 190E: energy & SocietyFall 2007 Physics of energy II - 3g is known as the gravitational constant. It measures the strength ofthe Earth s gravitational pull on falling demonstrated that all objects fall the same two objects are dropped from the same height at thesame time, then they will hit the ground at the same time(as long as other forces like air resistance are negligible).
Physics 190E: Energy & Society Fall 2007 Physics of Energy II - 1 Now, let Õs talk about a second form of energy Potential energy Imagine you are standing on top of half dome in
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