\(\overrightarrow{R} =\) R –R 0 R cos(α) –R cos(α) R sin(α) –R sin(α) \(\overrightarrow{u_x}\text{ }+ \) R –R 0 R cos(α) – Rcos(α) R sin(α) –R sin(α) \(\overrightarrow{u_y}\)
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