9 In the arrangement shown in figure the ends P and Q of an

Last updated: 5/29/2023

9 In the arrangement shown in figure the ends P and Q of an inextensible string move downwards with uniform speed 1 Pulleys A and B are fixed The mass m moves P u upwards with speed a 2u cos 0 c 211 cos A a A 00 b M 11 Cos 0 d u cos 0 B u