555566667777888 (id: 0b9d43fe5)

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[单选题]
A girl throws a rock horizonpi-a z/nn-n i;tally, with a velocity of 10 m/s, from/p q7fb3qtt5j a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before strikin35bj7 pf tqq/tg the water?

A. $12.12 \; m$
B. $16.16 \; m$
C. $20.2 \; m$
D. $24.24 \; m$


参考答案:  C


本题详细解析: 暂无