本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws,类别为 通用国际物理
[单选题]
An object of mass 6000 kg .nv9:e4vd a sz /gq)2lybp6 /ljfuo4trests on the flatbed of a truck. It is helx8htrbrb;/+3b1 dwefd in place by metal brackets that can exert a maximum horizontal force of 9000 N. When the truce ftb3x rhb wbr/+d;18k is traveling 15 m/s, what is the minimum stopping time if the load is not to slide forward into the cab?
A. $5.0 \; s$
B. $10 \; s$
C. $13 \; s$
D. $23 \; s$
参考答案: B
本题详细解析:
暂无
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