physics question...?

1 ⤊

physics question...?

ok so you are in a roller coaster. you are going around a circular loop with a radius of 7.4 m. at what minimum speed should u be travelling at the top of the circle so u wont fall off and die?

2006-12-07 22:05:18 · 3 answers · asked by nybabyblu 6 in Science & Mathematics ➔ Physics

3 answers

Centrifugal force must equal gravitational force.

m * v^2 / r = m * g

v^2 / r = g

v = sqrt (r * g)

v = sqrt (7.4 * 9.8) = 8.516 meters/second.

2006-12-07 22:31:41 · answer #1 · answered by Overrated 5 · 1⤊ 0⤋

2*3.14*7.4

2006-12-08 06:08:57 · answer #2 · answered by viharika v 1 · 0⤊ 1⤋

Overrated is right. :))

2006-12-08 07:49:54 · answer #3 · answered by HM H 2 · 0⤊ 0⤋