Question: The angular acceleration in a circular motion (a) is equal in magnitude to the tangential acceleration divided by the radius, (b) increases the angular velocity

The angular acceleration in a circular motion

(a) is equal in magnitude to the tangential acceleration divided by the radius,

(b) increases the angular velocity if both angular velocity and angular acceleration are in the same direction,

(c) has units of s−2,

(d) all of the preceding.

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