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Unformatted text preview: Sylwester Czado 12-4-07 PHY 185 Lab, Formal Report Lab #8- Simple Harmonic Motion and Hookes Law Purpose: To demonstrate the relationship between two different springs and to use it to measure an unknown mass. To prove this, I will use the equation T = 2 m/ k . Apparatus: 2 Springs Ruler Stopwatch Weights Procedure: 1. First, you must determine Hookes Constant, k , for the springs. Add some weight to the springs to stretch them easily. 2. Measure the length of the spring with the weight on it. Then add more weight to the additional weights and measure the length again. This will give you x. When making the graph, x will be on the x-axis. The force in Newtons will be plotted on the y-axis. 3. Repeat the process for four additional weights. Record the length and plot the points on the graph. 4. Calculate the slope of the graph. This will give you Hookes Constant, k ....
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