Recent content by ab3477

  1. A

    Wall of Death Problem: Finding Minimum and Maximum Speed for Rider Stability

    here's the try... A) V= Sqrt[(g*r)/mu)] (( equations found on this website with similar problem)) = sqrt[(9.81*10)/(1.00)] = 9.91 m/s or 35.66 Km/h Therefore, minimum of 35.6 km/h speed is required to stay on the wall. B) Max based on Gmax (4 g) 4xg (9.81 ) = 39.24...
  2. A

    Wall of Death Problem: Finding Minimum and Maximum Speed for Rider Stability

    yes, it is a vertical cylinder or surface. ( 90 degrees of angle ) I understood that the reaction force is causing motion that is centripetal force. Weight force would Down. What way would be the reaction force and normal force? and frictional force! I'm guessing normal force will be...
  3. A

    Wall of Death Problem: Finding Minimum and Maximum Speed for Rider Stability

    Homework Statement - FBD of description of forces - Mass of the rider ( is to decide ) = 70 kg - Dimensions of the Ride ( is to decide ) Height = 10 meters Radius = 10 meters Givens: gmax= 4 g Speed of bike = 80 Km/h Mass of Bike = 180 kg mu= vertical coefficient of friction = 1.00...
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