Consider a car moving along a straight horizontal road with a speed of $72\, km/h$. If the coefficient of kinetic friction between the tyres and the road is $0.5,$ the shortest distance in which the car can be stopped is ........ $m$ .$[g = 10\,m{s^{ - 2}}]$

  • [AIPMT 1992]
  • A

    $30$

  • B

    $40$

  • C

    $72$

  • D

    $20$

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  • [IIT 2001]