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You are traveling slightly over the speed limit when you see a police car behind you in your rear view mirror.He immediately changes lanes and passes you by.You are so nervous after the police car passes you that you pull off to the side of the road and stop.Now you hear a siren,this time from an ambulance approaching from behind.The frequency you hear its siren is 1280 Hz.Once it passes,its frequency is 1080 Hz.What is the speed of the ambulance?
Government Sector
The part of the economy that is controlled by the government, including all public services and governmental agencies.
Unionization
The process by which workers join together to form a union, a collective organization to negotiate higher wages, better working conditions, and other benefits with their employers.
Industrial Categories
The classification of industries or businesses based on common sectors, activities, or products, used for economic analysis and policy making.
Significant Wage Increases
Notable uplifts in employee pay rates, often occurring in response to factors like inflation, productivity improvements, or labor market dynamics.
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