A stone can slide down one of four different frictionless ramps,as shown in the figure.For which ramp will the speed of the ball be the greatest at the bottom? 
Definitions:
Total Output
The total quantity of goods or services produced by an economy, firm, or production process within a given period.
Total Revenue
The complete amount of money received by a company or organization from its business activities, such as sales of goods or services, before any expenses are subtracted.
Total Cost
The complete cost of production, including both fixed and variable costs.
Economic Profits
The distinction between the total income of a company and its overall expenses, encompassing both direct and indirect costs.
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