Part E

Which of the following characterizes the initial angular velocity ${}_0$ and the angular acceleration $$ of disk $4?$

${}_0>0$ and $>0$

${}_0=0$ and $>0$

${}_0<mn>0</mn>$ and $>0$

${}_0>0$ and $=0$

${}_0>0$ and $<mn>0</mn>$

${}_0=0$ and $=0$