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The laws of refraction and reflection are the same for sound as for light. The speed of sound in air is 340 m/s and in water it is 1510 m/s. If a sound wave approaches a plane water surface at an angle of incidence of 12.0°, what is the angle of refraction?
Indirect Forecast
A forecasting method that uses related indicators or market conditions, rather than direct measures, to predict future trends or demands.
Buyers' Intentions Forecast
The process of predicting future purchasing actions of consumers based on various indicators and market trends.
Sales Forecast
A projection of future sales revenue, often based on historical data, market analysis, and expected market trends.
Environmental Conditions
The external factors, such as economic, social, political, and technological influences that affect an organization's operations and decision-making.
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