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 start at rest. uni t3 2u81*4sh p jlwhwn 8cipyr+v(2They both accelerate at thez5bvt0f dssjhd 98 )e( same rate. However, object A accelerates for twice the time as object B. What is the final speed of object A compared to that of objecedz 9)s 0bsvfd(8thj5t 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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