$(2)$

Two disks are located on horizontal surfaces as shown, and a cord that is wound around extends to the right, and is and that Disk B has the wound areund Disk B$.$ Assuming that both disks method to find

$($a$){}_A,{}_B($mag$.$ and S$$nse for each$)$

$($b$)V_{{?}_{?}}(A)($mag and direc$)$