$A$ body moves with velocity $v = \ln x \, m/s$ where $x$ is its position. The net force acting on the body is zero at

  • A
    $0 \, m$
  • B
    $x = e^2 \, m$
  • C
    $x = e \, m$
  • D
    $x = 1 \, m$

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