The two sliders are connected by the light rigid bar and move in the smooth vertical-plane guide. At the instant illustrated, the speed of
slider A is 30 mm/s, $\theta$ = 46°, and $\phi$ = 18°. Determine the speed of slider B for this instant if r = 275 mm.
$v_A$
A
$\theta$
r
L
1.4r
Answer: $v_B$ = i
mm/s
B
$\phi$
r