رد: فيزياء: أي استفسار أول سؤال
سؤال اخر اتمني منكـ التوضيح فكرته او ذكر القانون المستخدم وانا راح احله
A vector has a magnitude of 12. When its tail is at the origin it lies between the positive x
axis and the negative y axis and makes an angle of 30◦ with the x axis. Its y component is:
A. 6/√3
B. −6√3
C. 6
D. −6
E. 12
ans: D
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