A grindstone, initially at rest, is given a constant angular acceleration so that it makes 20.0 rev in the first 8.00 s. What is its angular acceleration? A)0.313 rad/s² B)0.625 rad/s² C)2.50 rad/s² D)1.97 rad/s² E)3.93 rad/s²

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The Answer of A grindstone, initially at rest, is given a constant angular acceleration so that it makes 20.0 rev in the first 8.00 s. What is its angular acceleration? A)0.313 rad/s² B)0.625 rad/s² C)2.50 rad/s² D)1.97 rad/s² E)3.93 rad/s²

A Grindstone, Initially at Rest, Is Given a Constant Angular