The angular velocity of the stepped cylinder is determined as 2.35 rad/s.
The centripetal acceleration of the cylinder is calculated as follows;
F = ma
a = F/m
a = 40/ 36
a = 1.11 m/s²
a = v²/r
v² = ar
v² = 1.11 x 0.2
v² = 0.222
v = 0.47 m/s
v = ωr
ω = v/r
ω = 0.47/0.2
ω = 2.35 rad/s
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