Two Objects Are Dropped from a Bridge, an Interval of 1.0

question 393

Multiple Choice

Two objects are dropped from a bridge, an interval of 1.0 s apart. Air resistance is negligible. During the time that both objects continue to fall, their separation

• A) stays constant.
• B) increases at first, but then stays constant.
• C) decreases.
• D) decreases at first, but then stays constant.
• E) increases.

---

Definitions:

Marginal Analysis

An examination of the added benefits of an activity compared to the added costs incurred by that same activity.

Cell Phones

Portable electronic devices that allow users to make voice calls, send text messages, and access various digital services.

Total Profit

The total income a business earns after subtracting all expenses and costs associated with its operations.

Marginal Benefit

The added value or enjoyment a consumer gets from using an additional unit of a product or service.