If `a_(r)` and `a_(t)` represent radial and tangential accelerations, the motion of a particle will be uniformly circular if

Options

A. `a_(r) = 0` and `a_(t) = 0`
B. `a_(r) = 0` but `a_(t) !=0`
C. `a_(r) != 0` but `a_(t) =0`
D. `a_(r) != 0` but `a_(t) !=0`

Answer

C