For a slider-crank mechanism with radius of crank \(\mathrm{r}\), length of connecting rod \(l\), obliquity ratio \(n\), crank rotating at an angular velocity \(\omega\); for any angle \(\theta\) of the crank match, List I (Kinematic Variable) with List II (Equation) and select the correct answer using the codes given below the Lists:

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List I (Kinematic Variable) A. Velocity of piston B. Acceleration of piston C. Angular velocity of connecting rod D. Angular acceleration of connecting rod @ 1. n List II (Equation) cos 0 2. @rcos + cos 20 n 3. sin 0 n sin 20 4. wr. sin 0 + 2n