555566667777888 (id: 42a730d54)

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[单选题]
A ball thrown horizontally from a point 24 m above the ground, strx aaycx7. ox+p)um6.dikes the gr*lbi .p7.q 6a+ l41klk vstmqlound after traveling horizontally a distance of 18 m. With w4* klmal6b+ l.sq7.vqtlpki1 hat speed 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: 暂无