Temperature coefficient of resistivity of the wire
The resistance of a wire increases 3.9% when the temperature of the wire is raised 100°C. What is the temperature coefficient of resistivity of the wire material?
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A mass less vertical spring is displaced 0.15 m when a 3.25 kg mass is attached. When used horizontally, what is the total energy ff the spring has an amplitude of 0.25 m?
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A child who is along for the ride with his parents every week to the local supermarket gets a chance to walk every aisle when he finds something he likes
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