new new new new (id: a22e0cb1f)

本题目来源于试卷: new new new new，类别为 IB物理学

[填空题]
What will a spring scale read for the weighp5a c; z(8 1bhxl(m,x +xbrlnbt of a 55-kg womanm a zrb6+.o-5en vxj fy1*h1ow in an elevator that movfo .hx1b-5z+o 1r6mvnyea *jwes
(a) upward with constant speed of 6.0m./s   
(b) downward with constant speed of 6.0m./s   
(c) upward with acceleration of 0.33 g,   
(d) downward with acceleration 0.33 g   
(e) in free fall?   

参考答案:
空格1: 540±2%  空格2: 540±2%  空格3: 720±2%  空格4: 360±2%  空格5: 0±2% 


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