A roller coaster car of mass 310 kg(including passengers) travels around a horiz

Question

A roller coaster car of mass 310 kg(including passengers) travels around a horizontal curve of radius30 m. Its speed is 14 m/s. What is the magnitude and direction of thetotal force exerted on the car by the track?
      magnintude ___N       direction ___ degreesabove horizontal A roller coaster car of mass 310 kg(including passengers) travels around a horizontal curve of radius30 m. Its speed is 14 m/s. What is the magnitude and direction of thetotal force exerted on the car by the track?
      magnintude ___N       direction ___ degreesabove horizontal

Explanation / Answer

a) F = mv2 / r = 310 * 14*14 / 30 = 2025.33 N b) = tan-1(gr/v2) =54.0o

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