AP physics (multiple choice)

an object is undergoing uniform circular motion. which of the following statements is true?

a. the velocity is constant
b. the acceleration is constant.
c. the a is constant but v varies.
d. the v is constant but the a varies.
E. both a and v vary.

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  1. v is changing direction, and a is also changing direction.

    so, what do you think?

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