A Rock Dropped from a 5-M Height Accelerates at 10

question 33

Multiple Choice

A rock dropped from a 5-m height accelerates at 10 m/s² and strikes the ground 1 s later. If the rock is dropped from a height of 2.5 m, its acceleration of fall is

• A)half.
• B)the same.
• C)twice.
• D)four times as much.

---

Definitions:

Variable Cost

Expenses that vary directly with the level of production or sales volume, such as raw materials and direct labor.

Margin of Safety

The difference between actual or projected sales and the break-even point, indicating the amount by which sales can drop before reaching a loss.

Break-even Point

The point at which total cost and total revenue are equal, resulting in neither profit nor loss.

Break-even Sales

The amount of revenue required to cover total costs, both fixed and variable, at which point a business neither makes a profit nor suffers a loss.