Some people are able to spin a basketball on the tip of a finger. It is often done by balancing the ball on the tip of the finger and brushing the other hand along the side of the ball to cause it to rotate. Suppose the ball begins from rest and reaches a final angular speed of 19.65 rad/s in 1.30 s. (a) Assuming the bail is subject to a constant angular acceleration, what is the magnitude of the constant angular acceleration? rad/s (b) Through how many revolutions does the ball rotate during the 1.30 s? rev
Some people are able to spin a basketball on the tip of a finger. It is often done by balancing the ball on the tip of the finger and brushing the other hand along the side of the ball to cause it to rotate. Suppose the ball begins from rest and reaches a final angular speed of 19.65 rad/s in 1.30 s. (a) Assuming the bail is subject to a constant angular acceleration, what is the magnitude of the constant angular acceleration? rad/s (b) Through how many revolutions does the ball rotate during the 1.30 s? rev
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Transcribed Image Text:Some people are able to spin a basketball on the tip of a finger. It is often done by balancing the ball on the tip of the finger and brushing the other hand along the side of
the ball to cause it to rotate. Suppose the ball begins from rest and reaches a final angular speed of 19.65 rad/s in 1.30 s.
(a) Assuming the ball is subject to a constant angular acceleration, what is the magnitude of the constant angular acceleration?
rad/s2
(b) Through how many revolutions does the ball rotate during the 1.30 s?
rev
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