Pulley Block Problems (Newtons Laws of motion) Class 11 Physics

Two blocks A and B of masses m1=4kg and m2=6kg are connected by a massless & inextensible string. The string passes over a massless and frictionless pulley as shown. Block A is on a smooth horizontal table and block B is hanging. If the system is released from rest, find
(a) Acceleration of the blocks
(b) tension in the string