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[" A particle is moving in an isolated "x" -y plane.At an instant,the particle "],[" has velocity "(4hat i+4hat j)m/s" and acceleration "(3hat i+5hat j)m/s^(2)." At that instant "],[" what will be the radius of curvature of its path? "],[[" (A) "16sqrt(2)m," (B) "15m],[" (C) "18m," (D) None of these "]]

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