alexgallardoooo2411 alexgallardoooo2411
  • 16-01-2020
  • Physics
contestada

A car goes around a flat curve of radius 50 m at a speed of 14 m/s. What must be the minimum coefficient of friction between the tires and the road for the car to make the turn?

Respuesta :

aristeus aristeus
  • 17-01-2020

Answer:

Coefficient of friction will be 0.4

Explanation:

We have given radius of the curve r = 50 m

Speed of the car v = 14 m /sec

We have to find the coefficient of friction

For maximum turn frictional force must be equal to centripetal force

So [tex]\mu mg=\frac{mv^2}{r}[/tex]

[tex]\mu=\frac{v^2}{rg}=\frac{14^2}{50\times 9.8}=0.4[/tex]

So coefficient of friction will be 0.4

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