Paper 4 October/November 2003 MATHEMATICH (9709/4) A Levels
لطفا برای اطمینان از عملکرد و تجربه بهتر از مرورگرهای مدرن و به روز مانند کروم یا فایرفاکس استفاده کنید.

Particles $P$ and $Q$ have masses $0.8{\text{ }}kg$ and $0.4{\text{ }}kg$ respectively. $P$ is attached to a fixed point $A$ by a light inextensible string which is inclined at an angle ${\alpha ^ \circ }$ to the vertical. $Q$ is attached to a fixed point $B$, which is vertically below $A4, by a light inextensible string of length $0.3{\text{ }}m$. The string $BQ$ is horizontal. $P$ and $Q$ are joined to each other by a light inextensible string which is vertical. The particles rotate…