A Wheel Starting from Rest Has a Constant Angular Acceleration

question 55

Multiple Choice

A wheel starting from rest has a constant angular acceleration.After 3.0 s the angular velocity of the wheel is 7.5 rad/s.This same angular acceleration continues for a further 7.0 s after which it drops suddenly to zero.In the first 20.0 s how many revolutions does the wheel make?

• A)20
• B)40
• C)60
• D)80
• E)100

---

Definitions:

Levels of Motivation

Variations in the intensity and type of motivation that individuals experience, which can affect behavior and achievement in different contexts such as work, learning, and personal goals.

Lesbian Women

are females who experience romantic or sexual attraction exclusively toward other women.

Female Homosexuality

Sexual or romantic attraction between women.

Androgen Prenatally

Refers to the effects of male sex hormones, such as testosterone, on the development of a fetus prior to birth, affecting physical and possibly behavioral characteristics.