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Determine the stopping distance for a car traveling at 10 m/s for an acceleration of -4 m/s2 .
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8 votes
Determine the stopping distance for a car traveling at 10 m/s for an acceleration of -4 m/s2 .

User Nils Weinander
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1 Answer

4 votes
  • Initial velocity=u=10m/s
  • Final velocity=v=0m/s
  • Acceleration=a=-4m/s^2
  • Distance be s

Apply third equation of kinematics


\\ \rm\rightarrowtail v^2-u^2=2as


\\ \rm\rightarrowtail -(10)^2=-8s


\\ \rm\rightarrowtail -100=-8s


\\ \rm\rightarrowtail s=12.5m

User BubbaT
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