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

question 29

Multiple Choice

A flywheel is initially roatating 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) 5.6 rad/s
• D) 6.7 rad/s
• E) 11 rad/s

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