gc physics textbook chapter 4 problems (id: 3163986d2)

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 carton is given an initqfkrw82x u8+9nk5t ukial sp1awn zg jf 90r9 dh4vxl9d,:vgeed of 3.0 $\mathrm{~m} / \mathrm{s}$ up the 22.0$^{\circ}$ plane shown in Fig. 4-55.
(a) How far up the plane will it go?   
(b) How much time elapses before it returns to its starting point? Ignore friction.   

参考答案:
空格1: -1.2±2%  空格2: 1.6±2% 


本题详细解析:

微信扫一扫，分享更方便