* 16–20. A motor gives gear A an angular acceleration of a A = (4 t 3) rad> s2, where t is in seconds. If this gear is initially turning at ( v A )0 = 20 rad>s, determine the angular velocity of gear...

*16–20.
A motor gives gear
A
an angular acceleration of
a
A
= (4t3) rad> s2, where
t
is in seconds. If this gear is initially turning at (v
A)0 = 20 rad>s, determine the angular velocity of gear
B
when
t
= 2 s.

(v
A)0  = 20 rad/s

B

a
B

a
A

v
A

0.05 m
A

a
A

0.15 m

Prob. 16–20

Probs. 16–17/18