本题目来源于试卷: Work Energy and Power,类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.18: A 1.00 kg object is released d7 ewg )* zgx/ut6zb)bfrom rest n : x:fpxafzdotl: k5 8d/*2xp 3*zzezoear the surface of the Earth, the gravitational force acting on the 1.00 kg object by the Ezo* xfdf:oet*xd 3x:8z:p / lk paz52zarth does 10.0 J of work on the object as it falls 1.00 mto the ground, which one of the following choices best represents the amount of work done by the gravitational force acting on the Earth by the 1.00 kg object during the fall?
A. $0.0J$
B. $-10.0J$
C. $10.0J$
D. $-5.86×10^{25}J$
E. $5.86×10^{25}J$
参考答案: A
本题详细解析:
暂无
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