newnewnewnew (id: ea2aac749)

本题目来源于试卷: newnewnewnew，类别为 IB物理学

[填空题]
A 15.0$-\mathrm{kg}$ box is released on a 32$^{\circ}$ incline and accelerates down the incline at 0.30 $\mathrm{~m} / \mathrm{s}^{2}$ . Find the friction force impeding its motion.    What is the coefficient of kinetic friction?   

参考答案:
空格1: 73±2%  空格2: 0.59±2% 


本题详细解析:

微信扫一扫，分享更方便