Physics Unit2: Kinematics One Dimensional Motion (id: f10d91a75)

本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 国际高中通用物理

[单选题]
A bullet shot straight up retustu1et f,by o6jfq1-gfee 6 ,:rg8uw8k/2dm b pt m:t2pns to its starting point in 10 s. What is the initial speed of tw u2b8m dg/t:m 2pkpt8he bullet?

A. 9.8 m/s
B. 25 m/s
C. 49 m/s
D. 98 m/s


参考答案:  C


本题详细解析: 暂无

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