theledfords5011 theledfords5011
  • 21-05-2020
  • Mathematics
contestada

4. How fast was a driver going if the car left skid marks that were 32 feet long on dry concrete? (The coefficient of friction is 1.02)?


73 mph


49 mph


Oo oo


38 mph


31 mph

Respuesta :

saieye1621 saieye1621
  • 04-05-2021

Answer:

31 mph

Step-by-step explanation:

s = √30df

s = √30(32)(1.02)

s = 31

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