555566667777888 (id: 42a730d54)

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[单选题]
A ball thrown horizontall0y4wfx 1v,aw yy fz.h6lu:1gntfga2 3k k rom a point 24 m above the ground, strikes the ground after traveling horizontally 2a.zu:l 1ghn3k ft gk6a distance 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