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A 7.5-kg wheel, with a radius of 0.3 m and a radius of gyration about point O ko 0.25 7.5-kg wheel, with a m is initially at rest (to 0) when a force P 10 2t2 IN] is applied to the cord wrapped around its perimeter, where t is in seconds (see Figure ). Four seconds after the wheel stars spinning (t14 s), a constant braking moment of Mb 25 Nm is applied to the wheel. Determine the angular velocity of the wheel when t2 10 s. M, 25 Nm (t 2 4 s) ko 0.25 m 7.5 kg0.3 m

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Amsuui Giuun that 1.5 Kg whuil at too Mb- 25 Nm し1:0.468 Kg O. 10 lO o.463 o.4G8

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