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 通用国际物理

[填空题]
The coefficient of kinetic friction for9s4x+tl+2m sq*o 75hbfr/zx.vytjub a ez ;/9tt xs3s. )i)th jtpy,ei$ 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%


本题详细解析:

微信扫一扫，分享更方便