An 800-Kg Object Is Falling and Experiences a Drag Force Due

question 13

Multiple Choice

An 80.0-kg object is falling and experiences a drag force due to air resistance. The magnitude of this drag force depends on its speed, v, and obeys the equation What is the terminal speed of this object?

• A) 6.45 m/s
• B) 72.2 m/s
• C) 34.2 m/s
• D) 12.6 m/s
• E) 47.3 m/s

---

Definitions:

Independent

Not influenced or controlled by others; in statistics, refers to variables that are not related or do not affect each other.

Marginal Probability

The probability of an event occurring, disregarding all other variables or outcomes in a probability distribution.

E(XY)

The expected value of the product of two random variables X and Y, indicating their joint mean over all pairs of outcomes.

Marginal Probability

The probability of an event occurring, regardless of the outcomes of other variables; it is calculated by summing the probabilities of the event across all values of the other variables.