Question

The angular momentum of a body changes from 30js to43 J's in 0.5s the torque is

Answer 1

Answer:

Given that,

Angular momentum

L1=30 Js

and

L2=43 Js

Change in time dt=0.5 s

so the torque is given by

T=dl/dt =(L2-L1)/dt= (43-30)/0.5= 13/0.5 = 26 N-m =29 J