gc physics textbook chapter 4 problems (id: 019c91361)

本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 IB物理学

[填空题]
The coefficient of kinetic fzeez)o* n,dbwi8ub+0riction ae* zv ub508dkfor a $ 22-\mathrm{kg}$ bobsled on a track is 0.10 . What force is required to push it down a $6.0^{\circ}$ incline and achieve a speed of 60 $\mathrm{~km} / \mathrm{h}$ at the end of 75 m ?   

参考答案: 40±2%


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