A person moved from $A$ to $B$ on a circular path as shown in figure. If the distance travelled by him is $60 \,m$, then the magnitude of displacement would be$.....\,m$ (Given $\left.\cos 135^{\circ}=-0.7\right)$
208516-q

  • [JEE MAIN 2022]
  • A
    $42$
  • B
    $47$
  • C
    $19$
  • D
    $4$

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