Question

16. Two blocks of masses 2 kg and 6 kg are connected
to the two ends of an extensible string passing
over a smooth pulley of radius 20 cm. The system
is set free at t = 0, the angular acceleration of the
pulley at t=0 is :
(A) 49 rad s-2
(B) 98 rad s-2
(C) 24.5 rad s-2 (D) 4.9 rad ​

Answer 1

Answer:

the answer is b 49rad s2