本题目来源于试卷: 555566667777888,类别为 unclassified
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[单选题]
A ball thrown horizontally from a point 2ama3z9ef f+* pnxu2.c4 m pu.ebigzdj 2z+*:qv (a;b : urabove the ground, strikes the ground after traveling horizontally a distance of 18 m. With what speedri ;:ezu2v.d+ba : (qgbjz*pu was it thrown?
A. 6.51 m/s
B. 7.32 m/s
C. 8.13 m/s
D. 8.95 m/s
参考答案: C
本题详细解析:
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