1. Moment of inertia with hands stretched = 5.43+1.25*2*0.759*0.759
Moment of inertia when hand not stretched = 5.43
Now since momentum is conserved,
angular velocity = 20*(5.43+1.25*2*0.759*0.759)/5.43 =25.30 rad/s
Hence correct option is (c)
2. No work done
correct option is (c) equal to zero
your answer for Q2 is wrong
I am really sorry........the correct answer should be option (a) greater than zero
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?