The Speed of a 2

question 23

Multiple Choice

The speed of a 2.0-kg object changes from 30 m/s to 40 m/s during a 5.0-s time interval. During this same time interval, the velocity of the object changes its direction by 90°. What is the magnitude of the average total force acting on the object during this time interval?

• A) 30 N
• B) 20 N
• C) 40 N
• D) 50 N
• E) 6.0 N

---

Definitions:

Clear

The state of being free from ambiguity or uncertainty, often used in contexts requiring unobstructed understanding or visibility.

Brief

A written legal document submitted in court or to a judge detailing the facts, arguments, and legal precedents supporting one side's position.

Official Seal

A stamp or emblem used as a formal sign of authentication by an organization or individual in official documents.

Complaint

In legal contexts, the initial document filed by a plaintiff in a court to initiate a lawsuit, outlining the basis for the claim and the relief sought.