two masses m1 = 12 kg and m2 = 13 kg are connected by a light inextensible string passing over a frictionless pulley. Find (a) acceleration of the system when released from rest (b) tension in the string ?

Answer 1

i forgot add this :
ag = 9.8 m/s^2

Answer 2

(a) a = F/ m

a=1kg.m/s^2/1kg