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A block holding a ringing tuning fork oscillates back and forth,attached to a wall by a spring of spring on a horizontal,frictionless surface,with amplitude 17 cm.The mass of the tuning fork and block together is 0.75 kg.An observer who is situated so that the block's direction of motion is either directly towards or away from him notes that the frequency he hears varies between 174 and 178 Hz.What is the spring constant for the spring ? The speed of sound at the time of the experiment is 340 m/s.
Permissible Exposure
The maximum amount or concentration of a hazardous substance to which workers can be exposed under regulatory guidelines.
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The process of examining workplace environments and procedures to ensure they meet safety and health regulations and standards.
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Individuals who provide care to family or friends with health-related needs or disabilities, typically without formal training or compensation.
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Activities that are a regular part of everyday life, including eating, bathing, dressing, moving around, and using the bathroom.
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