試卷名稱:107年 - 物理及化學#86559
年份:107年
科目:學士後西醫物理及化學
34. A box of mass 1 kg was placed on the edge of a rotating table with radius 10 cm, as shown below. At what rotating speed, the
box begins to slide away? (The coefficient of static friction between the box and table is 0.8)
(A) 32 cm/s
(B) 53 cm/s
(C) 68 cm/s
(D) 89 cm/s
(E) 98 cm/s