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]
Objects A and B both startu g,3h/y.wjnsleyh h729m , ;5 vzwdjc at rest. They both accelerate at the same r 4nbfh0bwk 0kmd )gpd)v)um-8zv. p1late. However, object A accelefp 0b zmnp hw.))mbv)0l 1v-ugk4 ddk8rates for twice the time as object B. What is the final speed of object A compared to that of object B?
A. the same speed
B. twice as fast
C. three times as fast
D. four times as fast
参考答案: B
本题详细解析:
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