gc physics textbook chapter 6 problems (id: ee4779cdc)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
The roller-coaster carxo02svr o 1lb; shown in Fig. 6–41 is dragged up to point 1 wh h2 t f1at 1km4uvfr2/3 ilcj8v2roud5ere it is released from rest. Assuming no fricta 5 vrffdvr32uu 2/m ot8j2i1lk14hc tion, calculate the speed at points
2    m/s
3    m/s
4    m/s

参考答案:
空格1: 26±2%  空格2: 12±2%  空格3: 20±2% 


本题详细解析:

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