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In the above question the disc is rolling without slipping.I am not getting angular speed of disc with respect to z axis .This is how i did it:V(centre of mass)=wa.Since it is pure rolling.angular velocity about Z axis (Ω).Ω×l×cosθ=wa.i am getting Ω=w/4.8 but answer is w/5.

In the above question the disc is rolling without slipping.I am not getting angular speed of disc with respect to z axis .This is how i did it:V(centre of mass)=wa.Since it is pure rolling.angular velocity about Z axis (Ω).Ω×l×cosθ=wa.i am getting Ω=w/4.8 but answer is w/5.

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Grade:12

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