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To solve this problem, we apply the basic equations of rotational motion. Let the initial angular velocity of the ball be (\omega_i) (counterclockwise) and the final angular velocity be (\omega_f) (clockwise). Since clockwise is opposite to counterclockwise, we take (\omega_f) as negative in our calculations. The angular displacement (\theta = 4.5 , \text{rad}). The equation connecting angular displacement, initial and final angular velocity, and angular acceleration (\alpha) is: [ \omega_f^2 = \omega_i^2 + 2 \alpha _______ _____ __________ _________ _______ _____ ________ ____ __________ _________ _____ _________.
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