Paper 4 May/June 2005 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.

Loads $A$ and $B$, of masses $1.2{\text{ }}kg$ and $2.0{\text{ }}kg$ respectively, are attached to the ends of a light inextensible string which passes over a fixed smooth pulley. $A$ is held at rest and $B$ hangs freely, with both straight parts of the string vertical. $A$ is released and starts to move upwards. It does not reach the pulley in the subsequent motion.
a) Find the acceleration of $A$ and the tension in the string.
b) Find, for the first…