本题目来源于试卷: Physics Bowl by Topic 3: Kinematics - part II Uniformly Accelerated Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
11.06: A ball of mass =(w yff )sx8 5dco9ubi:0.109xbk3 +rp*sk k lms/; 30sytaz0 kg is launched straight upward so that it rises to a maximum height of 12.0 m above the launch point. Ignore air resisp 3 lkra+y3*s/ 09tm xk;kbssztance. When the ball reaches its maximum height, which one of the following choices best represents the magnitude of the net force acting on the ball?
D 10.0 N
E 12.0 N
A. 0 N
B. 0.100 N
C. 1.00 N
参考答案: C
本题详细解析:
暂无
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