[填空题]
A Ferris wheel 24.0 m in diameter rotates once pfnfb2y:u3 0e every 15.5 s (s 2fvf-enebq;7r,d 5wj ee Fig. 5–9). What is the ratio of a perso-n qebr 5e;,2f7j vfwdn’s apparent weight to her real weight (a) at the top, and (b) at the bottom?
(a) (b)
