已知平面向量\(\overrightarrow{a}\),\(\overrightarrow{b}\)是非零向量,\(|\overrightarrow{a}|=2\),\(\overrightarrow{a}\bot \left( \overrightarrow{a}+2\overrightarrow{b} \right)\),则向量\(\overrightarrow{b}\)在向量\(\overrightarrow{a}\)方向上的投影为\((\) \()\)
进入组卷