A 70-Kg Rock Is Subject to a Variable Force Given by by the Equation

question 26

Short Answer

A 7.0-kg rock is subject to a variable force given by the equation
F(x)= 6.0 N - (2.0 N/m)x + (6.0 N/m²)x²
If the rock initially is at rest at the origin,find its speed when it has moved 9.0 m.

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Definitions:

Economies of Scale

The price benefits that firms enjoy from the magnitude of their operations, where the cost of each output unit generally lessens as the scale of operations increases.

Unit Costs

The financial outlay for a company to manufacture, warehouse, and dispose of one unit of a specific item or service.

Output

Represents the total amount of goods or services produced by a firm or economy in a specific period.

Minimum Efficient Scale

The smallest level of production a firm can achieve while still taking full advantage of economies of scale in terms of cost per unit.