A car moving with a speed of $40\, km/h$ can be stopped by applying brakes after atleast $2\, m$. If the same car is moving with a speed of $80 \,km/h$, what is the minimum stopping distance............$m$
- [AIPMT 1998]
- A$8$
- B$2 $
- C$4$
- D$6$
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