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. They both accelerate atdl rca9:*b1 i0io))a xo/jwmx the sameoc n9a;h p6mb1z)0 qhq rate. However, object A accelerates for twice the time as object B. What is the final speedzm0c a1ohhb)q;69qp n 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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