theledfords5011 theledfords5011

21-05-2020
Mathematics

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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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