Question: Example 7 Starting with zero initial angular velocity, a sphere begins to spin with constant angular acceleration about an axis through its center, achieving an

Example

7

Starting with zero initial angular velocity, a sphere begins to spin with constant angular acceleration about an axis through its center, achieving an angular velocity of

10 r a \frac{d}{s}

when its angular displacement is

20

rad. What is the value of the sphere's angular acceleration?

Example 7 Starting with zero initial angular

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