555566667777888 (id: 42a730d54)

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[单选题]
A ball thrown horizontallnzz:lr7c6yr +d )ui(g y from a point 24 m a * jcym9ztm0 .rsit,l0:he1b -vox 6ezbove the ground, strikes the ground after traveling horizontally a disls6-t ec bmhr0y91* 0ixo.mvz,j: teztance of 18 m. With what 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