$ml=1\mathrm{.}4kg,rl=1\mathrm{.}140m,1=114$ degrees

$m2=2kg,r2=0\mathrm{.}9m,2=49$ degrees

$m3=2\mathrm{.}6kg,r3=1\mathrm{.}0m,3=250$ degrees

a$)$ Find the mass$-$radius products and their angular locations needed to dynamically balance the system using the correction plane A $.$

b$)$ Find the mass$-$radius products and the angular location needed to dynamically balance the system using the correction plane B$.$