4. For the mechanism below, at the instant shown, the crank, AB, is rotating clockwise at 1.800 rpm and accelerating at 12.000 rad/s2. Use the relative acceleration method to determine the linear velocity and linear acceleration of the piston analytically. (Answer: V=255,16 cm/s and ac=93.195 cm/s2_) B 5 cm 2 cm С 30° А.
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