gc physics textbook chapter 4 problems (id: 18331ebc7)

本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 通用国际物理

[填空题]
A cyclist is coasting at aq* 8ebxg7:5e3p u etbx,iti-c steady s ,(a4509kxlcarwsavj:d-jxl9 hm j q2ys- ;oipeed of 12m/s but enters a muddy stretch where the effective coefficient of friction is 0.60. Will the cyclist emerge from the muddy stretch without having to pedal if the mud lasts for 11 m? If so,xh 0 2ca;myq5:a-jljwv-4slk9sj (r di ,oa9x what will be the speed upon emerging?   

参考答案: 3.8±2%


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