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10. The block in the figure is of mass m=1.00 kg and hangs from a massless cord that is wrapped around the rim of a disk of mass M=3.00 kg and radius R=10.0 cm. What is the magnitude of the block's acceleration (in m/s2)? Idisk = MR2/2 . M (a) 1.04 ( b ) 3.92 (c) 2.32 (d) 4.17 (e) 4.91 11. A thin, uniform metal rod of length 2.0 m is hanging vertically from the ceiling by a frictionless ceiling pivot, as shown in the figure. Its rotational inertia about the pivot is 4.0 kg.m2. It is struck 1.5 m below pivot the ceiling by a small 0.05-kg ball, initially travelling horizontally at 10 m/s. After collision, the ball rebounds in the opposite direction with a speed of 5.0 m/s. Find the angular speed (in rad/s) of the rod just after the collision? 1.5 m ball (a) 1.4 ( b) 0.12 ( C) 0.44 (d) 0.28 (e) 0.34 roll without slipping down an incline, starting from rest. Sphe Both spl