Physics Unit2: Kinematics One Dimensional Motion (id: 9350735ff)

本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 通用国际物理

[单选题]
An object is thrown upward with a speed of 1045 +bcxxq ozv4 m/s on the surface of planet esd 4s h+ee:z3X where the ac3zdhs+ :e4eesceleration due to gravity is $3.5 \; m/s^2$. What is the speed of the object after 8.0 s?

A. 7.0 m/s
B. 14 m/s
C. 21 m/s
D. 64 m/s


参考答案:  B


本题详细解析: 暂无

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