A ship is being pulled through a harbor at constant velocity by two tugboats as shown in the figure. The lines attached to the two tugboats have the same tension of 200,000 N. Each line makes an angle of 28.0° with the direction the ship is being towed. What is the magnitude of the drag force due to the water on the ship? 
Definitions:
Average Revenue
The revenue generated per unit of output sold, calculated by dividing total revenue by the number of units sold.
Marginal Revenue
The extra revenue generated from the sale of an additional unit of a product or service.
Marginal Cost
Marginal cost is the increase in total cost that arises from producing one additional unit of a good or service.
Demand Curve
A graphical representation of the relationship between the price of a good and the quantity demanded by consumers, typically downward sloping.
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