At what minimum speed must a roller coaster be traveling when upside down at the top of a circle (Fig. 5-34) s?

At what minimum speed must a roller coaster be traveling when upside down at the top of a circle (Fig. 5-34) so that the passengers will not fall out? Assume a radius of curvature of 8.8 m.

1 Answer

  • Cenripetal acceleration = g

    v = √(rg) = √(8.8*9.8) =9.3 m/s

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