Open Question
(I) A bowling ball of mass 7.3 kg and radius 9.0 cm rolls without slipping down a lane at 3.7 m/s . Calculate its total kinetic energy.
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12. Rotational Kinematics
Rolling Motion (Free Wheels)
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3:33 minutesOpen Question
(II) Let us treat a helicopter rotor blade as a long thin rod, as shown in Fig. 10–60.
(a) If each of the three rotor helicopter blades is 3.75 m long and has a mass of 135 kg, calculate the moment of inertia of the three rotor blades about the axis of rotation.
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