The average acceleration vector for a particle having a uniform circular motion isA constant vector of magnitude v-2-r-A vector of magnitude v-2-r-directed normal to the plane of the given uniform circular motion-Equal to the instantaneous acceleration vector at the start of the motion-A null vector-

The position vector of a particle $\to R$ as a function of time is given by $\to R = 4 sin (2 π t)^i + 4 cos (2 π t)^j$ , where $R$ is in meters, $t$ is in seconds and $^i a n d^j$ denote unit vectors along 'x' and 'y'-directions respectively. Which one of the following statements is wrong for the motion of particle?

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The average acceleration vector for a particle having a uniform circular motion is

The correct option is D A null vector In complete revolution change in velocity becomes zero so average acceleration will be zero.

The correct option is D
A null vector

In complete revolution change in velocity becomes zero so average acceleration will be zero.