Question

Answer 8&9 please.

10:51 PM Fri May 1 webassign.net Interactive solution 5.23 Offers help in modeling this problem. A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (0 = 65.0°) Suppose the total mass of a chair and its occupant is 208 kg. (a) Determine the tension in the cable attached to the chair. N (b) Find the speed of the chair. m/s Additional Materials Section 5.3 -/2 POINTS CJ10 5.P.024. MY NOTES | ASK YOUR TEACHER On a banked race track, the smallest circular path on which cars can move has a radius of 108 m, while the largest has a radius 165 m, as the drawing illustrates. The height of the outer wall is 18 m. (a) Find the smallest speed at which cars can move on this track without relying on friction. m/s (b) Find the largest speed at which cars can move on this track without relying on friction. m/s

Answer 1

Tentoso 900 Tsino ma R = Lsino R = 12 sines Those = mg - - 14823.2IN J T = mg CH = 208X9.8 C36 Tsine = mu? (centripetal force) (Tsino).R - 482-27 X sin65) x 12 sin65 208 (= 15.12m/s. 72 tano = b = 18 = 0.3157 zn 165-108 (o= 17.530 frangle of banking. Vmin = jaigtano Vmax = Jag tance [Vmax = 22.6 m/s) [Vmin = 18.28 m/s)

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