gc physics textbook chapter 3 problems (id: 78a59b56b)

本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 IB数学

[填空题]
A swimmer is capable of swimmt:-1v emdf3 wf1vvbp3.7qlw 5js ia. ;hw9rm ding 0.45 $\mathrm{~m} / \mathrm{s} $ in still water. (a) If she aims her body directly across a 75 -
m -wide river whose current is 0.40 $\mathrm{~m} / \mathrm{s}$ , how far downstream (from a point opposite her starting point)
will she land?    $^{\circ} $
(b) How long will it take her to reach the other side?   

参考答案:
空格1: 62±2%  空格2: 6.1±2% 


本题详细解析:

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