Question

15 A disc of mass 5 kg and radius 0.4 m rotates along its axis with 30 rpm. To incerase its angular
momentum 20% in 5 s required torque is Nm.
(B) 0.16 1
(A) 2.6 m
(C) 1.6
(D) 0.016 x
by 1000 rpm to 2500 rpm then​

Answer 1

Answer:

and the correct answer is option D