12. Rotational Kinematics
Rotational Velocity & Acceleration
12. Rotational Kinematics Rotational Velocity & Acceleration
2PRACTICE PROBLEM
The equation ωz(t) = B - Dt2 gives the angular velocity of a rotating particle, where B = 3.80 rad/s and D = 0.940 rad/s3. Determine the average angular acceleration for the interval t = 0 - 2.50 s and instantaneous angular acceleration when t = 2.50 s. αav-z = ? αz = ?
The equation ωz(t) = B - Dt2 gives the angular velocity of a rotating particle, where B = 3.80 rad/s and D = 0.940 rad/s3. Determine the average angular acceleration for the interval t = 0 - 2.50 s and instantaneous angular acceleration when t = 2.50 s. αav-z = ? αz = ?