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[" A rigid body rotates about a fixed ax...

[" A rigid body rotates about a fixed axis with "],[" variable angular velocity equal to "alpha" - "beta" t at time "t" ,"],[" where "alpha" and "beta" are constants.The angle through "],[" which it rotates before it comes to rest is :- "],[[" (1) "(alpha^(2))/(2 beta)," (2) "(alpha^(2)-beta^(2))/(2 alpha)],[" (3) "(alpha^(2)-beta^(2))/(2 beta)," (4) "(alpha(alpha-beta))/(2)]]

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