A circular disc of mass \( 2 \mathrm{~kg} \) and radius \( 10 \mathrm{~cm} \) rolls without slip...

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A circular disc of mass \( 2 \mathrm{~kg} \) and radius \( 10 \mathrm{~cm} \) rolls without slipping with a speed \( 2 \mathrm{~m} / \mathrm{s} \). The total kinetic energy of disc is
(1) \( 10 \mathrm{~J} \)
(2) \( 6 \mathrm{~J} \)
(3) \( 2 \mathrm{~J} \)
(4) \( 4 \mathrm{~J} \)
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