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A roller-coaster car goes around a vertical circular loop-the-loop with a diameter of 50.0 m. Ignoring friction, what is the minimum speed of the car at the top of the loop so that the car stays in contact with the track?

2007-03-19 19:56:34 · 2 answers · asked by Ny 1 in Science & Mathematics ➔ Physics

2 answers

mv^2/r=mg

2007-03-19 22:09:06 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Since all modern roller coasters have triple wheels on the top side and bottom of the track - the train does not have to have any velocity to stay on the track.

2007-03-20 03:01:20 · answer #2 · answered by wigginsray 7 · 0⤊ 1⤋