An Airplane Flies from Point a to Point B,a Distance

question 23

Multiple Choice

An airplane flies from point A to point B,a distance of 100 km,and back again with an airspeed of 250 km/h.What is the difference in the time for this round trip on a day when a wind of speed 50.0 km/h blows from A toward B and on a day when a wind of speed 50.0 km/h blows in a direction perpendicular to AB?

• A)zero
• B)1.0 min
• C)5.5 min
• D)4.5 min
• E)10 min

---

Definitions:

Difficult Problem

A complex challenge that requires significant effort, skill, or creativity to solve.

Persuasion

The act or process of influencing someone's beliefs, attitudes, or actions through argument, reasoning, or appeal.

Recommendation Request

A request for a formal statement testifying to someone's character and qualifications.

Job Interview

A formal meeting between a job applicant and potential employer to evaluate the applicant's suitability for a position.