How Fast Can a Car Go Around a 65m Curve with a Friction Coefficient of 0.54?

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SUMMARY

The maximum speed a car can navigate a 65-meter curve with a friction coefficient of 0.54 is determined by the relationship between centripetal force and frictional force. Using the formula v = sqrt(r * g * μ), where v is the maximum speed, r is the radius (65m), g is the acceleration due to gravity (9.81 m/s²), and μ is the friction coefficient (0.54), the calculated maximum speed is approximately 11.5 m/s. This calculation confirms the critical role of friction in maintaining circular motion without skidding.

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  • Circular motion dynamics
  • Centripetal acceleration principles
  • Basic physics of friction
  • Understanding of the formula v = sqrt(r * g * μ)
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What is the maximum speed that a car can go around a curve with a radius of 65m if the coefficient of friction is 0.54?
 
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If you have circular motion you must have a centripetal acceleration acting toward the center of the circle. So sum the forces in the radial direction and set that equal to the centripetal force.
 

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