A Wheel Rotates About a Fixed Axis with an Initial

question 48

Multiple Choice

A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s interval the angular velocity increases to 40 rad/s. Assume that the angular acceleration was constant during the 5.0-s interval. How many revolutions does the wheel turn through during the 5.0-s interval?

• A) 20 rev
• B) 24 rev
• C) 32 rev
• D) 28 rev
• E) 39 rev

---

Definitions:

Relational Symbol

A symbol used in programming and mathematics to compare two values; examples include >, <, ==, !=.

Nested If Statement

An If statement that is contained within another If statement, allowing for more complex decision-making processes with multiple conditions.

Second If-Else Statement

A subsequent conditional statement in a program that executes one block of code if its condition is true, otherwise executes another block of code.

Indentation

The practice of using spaces or tabs at the beginning of lines of code to make the structure and hierarchy clearer.