lab 7 - Bryan Spelhaug Tues Lab 8:00am Experiment VII...

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Bryan Spelhaug Tues Lab 8:00am Experiment VII: Potential and Kinetic Energy Date: 10/22/10 Objective: Energy in a system may take on various forms (e.g. kinetic, potential, heat, light). The law of conservation of energy states that energy may neither be created nor destroyed. Therefore the sum of all the energies in the system is a constant. We will observe this phenomenon by utilizing a mass-spring system. Method: For this experiment we will use two springs that are connected together lying horizontally, hooked to one end of an air track. First, we will try to measure the spring constant. To do this, we tied a string to the free end of the spring and attached a hanger with a known mass. The hanger was draped over a pulley while gravity force stretches the spring. We measured the stretch each time we added mass to the hanger. This data will allow us to calculate for the “effective” spring constant. Data:
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lab 7 - Bryan Spelhaug Tues Lab 8:00am Experiment VII...

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