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Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?
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Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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A tuning fork makes 7 680 vibrations in 30 seconds. What is the frequency?...
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