S
Sudeeptvd
17 Apr 18 7:46 PM

Solve question 7.

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A
Anju

Angular momentum L=Iw
Rotatioanl kinetic energy=1/2(Iw^2)
(L/K)=(2/w)
L=2K/w
w is doubled and K is halved
L'= 2(1/2K)(2w) =(K/2w)
L'=L/4

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