4. A disc is rotating about point O at 1 rad/s cw, shown below. An ant and a beetle are located at points A & B, respect

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4 A Disc Is Rotating About Point O At 1 Rad S Cw Shown Below An Ant And A Beetle Are Located At Points A B Respect 1 (103.74 KiB) Viewed 43 times

4. A disc is rotating about point O at 1 rad/s cw, shown below. An ant and a beetle are located at points A & B, respectively. The beetle is walking straight towards the center of the disc, the ant is walking downward, as shown. The ant is moving 20 mm/s and the beetle is moving 10 mm/s, relative to the disc. (A) (20 points) Determine and draw the absolute velocity vectors of the ant and the beetle with respect to the ground. Report the magnitude and direction of each vector. (B) (10 points) Determine and draw the velocity vector of the beetle with respect to the ant. (In other words, the velocity of the beetle as observed by the ant.) Report the magnitude and direction of this vector (VBA). Point A is 50 mm from the center. Point B is 30 mm from the center. B 45° A