gc physics textbook chapter 3 problems (id: bab7f8e6f)

本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 IB数学

[填空题]
$\text { For the vectors shown in Fig. below, determine (a) } \overrightarrow{\mathbf{B}}-2 \overrightarrow{\mathbf{A}} \text {, (b) } 2 \overrightarrow{\mathbf{A}}-3 \overrightarrow{\mathbf{B}}-2 \overrightarrow{\mathbf{C}} \text {. }$



$|\overrightarrow{\mathbf{B}}-2 \overrightarrow{\mathbf{A}}|$ =   
$\theta$ =    $^{\circ}$ below - x axis
$|2 \overrightarrow{\mathbf{A}}-3 \overrightarrow{\mathbf{B}}+2 \overrightarrow{\mathbf{C}}|$ =   
$\theta$ =    $^{\circ}$ below + x axis

参考答案:
空格1: 94.5±2%  空格2: 11.8±2%  空格3: 149.7±2%  空格4: 35.3±2% 


本题详细解析:

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