A Wheel Rotating About a Fixed Axis Has a Constant

question 17

Multiple Choice

A wheel rotating about a fixed axis has a constant angular acceleration of 4.0 rad/s2. In a 4.0-s interval the wheel turns through an angle of 80 radians. Assuming the wheel started from rest, how long had it been in motion at the start of the 4.0-s interval?

• A)2.5 s
• B)4.0 s
• C)3.5 s
• D)3.0 s
• E)4.5 s

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