A Flywheel Is Initially Rotating at 20 Rad/s and Has

question 89

Multiple Choice

A flywheel is initially rotating at 20 rad/s and has a constant angular acceleration.After 9.0 s it has rotated through 450 rad.Its angular acceleration is:

• A)3.3 rad/s
• B)4.4 rad/s
• C)6.7 rad/s
• D)11 rad/s
• E)48 rad/s

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Definitions:

Other-Race Effect

A bias toward recognizing faces of the race one has the most exposure to, typically their own race.

Ingroup Bias

The inclination to prefer one's own group to other groups.

Outgroup Homogeneity

The tendency to view members of an outgroup as more similar to each other than they actually are, often leading to stereotypes.

Other-Race Effect

The predisposition for easier recognition of faces belonging to the race one is most used to, often their own race.