At the instant shown, the base of the robotic arm is turning about the z axis with angular velocity ω₁, which is increasing at ω'₁. Also, the boom segment BC is rotating with angular velociy ω_BC which is incrasing at ω'_BC. Determine the velocity and acceleration of the part C held in its grip at this instant.

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Given: 001 rad = 4- @BC = 8 S a = 0.5 m rad S co' 1 = 3 rad 2 S rad 2 S BC = 2- b = 0.7 m