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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2015
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The position vector of a particle R as a function of time is given by :<br> R=4sin(2πt)ˆi+4cos(2πt)ˆj <br> Where R is in meters, t is in seconds and ˆi and ˆj denote unit vectors along x- and y-directions, respectively. Which one of the following statements is wrong for the motion of particle ?


( A ) Magnitude of acceleration vector is v2R, where v is the velocity of particle
( B ) Path of the particle is a circle of radius 4
( C ) Magnitude of the velocity of particle is 8 meter/ second
( D ) Acceleration vector is along R
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