A drill bit is initially rotating with an angular speed of 96rau What is its angular velocity if it rotates 480 radians with a constant angular acceleration of 22 rad ?

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**Problem Statement:**

A drill bit is initially rotating with an angular speed of 96 rad/s. What is its angular velocity if it rotates 480 radians with a constant angular acceleration of 22 rad/s²?

---

**Explanation:**

To find the final angular velocity, we can use the kinematic equation for rotational motion:

\[
\omega_f^2 = \omega_i^2 + 2\alpha\theta
\]

Where:
- \(\omega_f\) is the final angular velocity.
- \(\omega_i\) is the initial angular velocity, 96 rad/s.
- \(\alpha\) is the angular acceleration, 22 rad/s².
- \(\theta\) is the angular displacement, 480 radians.

Substituting the known values into the equation will allow you to solve for \(\omega_f\).
Transcribed Image Text:**Problem Statement:** A drill bit is initially rotating with an angular speed of 96 rad/s. What is its angular velocity if it rotates 480 radians with a constant angular acceleration of 22 rad/s²? --- **Explanation:** To find the final angular velocity, we can use the kinematic equation for rotational motion: \[ \omega_f^2 = \omega_i^2 + 2\alpha\theta \] Where: - \(\omega_f\) is the final angular velocity. - \(\omega_i\) is the initial angular velocity, 96 rad/s. - \(\alpha\) is the angular acceleration, 22 rad/s². - \(\theta\) is the angular displacement, 480 radians. Substituting the known values into the equation will allow you to solve for \(\omega_f\).
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