20-43. At the instant 0 = 30°, the frame of the crane is rotating with an angular velocity of wi = 1.5 rad/s and angular acceleration of o = 0.5 rad/s, while the boom AB rotates with an angular velocity of wz = 0.5 rad/s and angular acceleration of on = 0.25 rad/s. Determine the velocity and acceleration of point B at this instant. 1.5 m 12 m
20-43. At the instant 0 = 30°, the frame of the crane is rotating with an angular velocity of wi = 1.5 rad/s and angular acceleration of o = 0.5 rad/s, while the boom AB rotates with an angular velocity of wz = 0.5 rad/s and angular acceleration of on = 0.25 rad/s. Determine the velocity and acceleration of point B at this instant. 1.5 m 12 m
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Transcribed Image Text:20-43. At the instant 0 = 30°, the frame of the crane is
rotating with an angular velocity of wi = 1.5 rad/s and
angular acceleration of o = 0.5 rad/s, while the boom AB
rotates with an angular velocity of wz = 0.5 rad/s and
angular acceleration of on = 0.25 rad/s. Determine the
velocity and acceleration of point B at this instant.
1.5 m
12 m
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