In the figure, a wheel of radius 0.480 m is mounted on africtionless horizontal axis. The rotational inertia of the wheelabout the axis is 0.206 kg·m2. A massless cord wrapped around thewheel’s circumference is attached to a 8.00 kg box. The system isreleased from rest.When the box has a kinetic energy of 2.00 J,what are (a) the wheel’s rotational kinetic energy and (b) thedistance the box has fallen? Assume free-fall acceleration to beequal to 9.81 m/s2.
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