The oil pumping unit consists of a walking beam AB, connecting rod BC, and crank CD. If the crank rotates at a constant rate of 6 rad/s, determine the speed of the rod hanger H at the instant shown.

The oil pumping unit consists of a walking beam AB, connecting rod BC

1.	The oil pumping unit consists of a walking beam AB, connecting rod BC, and crank CD. If the crank rotates at a constant rate of 6 rad/s, determine the speed of the rod hanger H at the instant shown.
A.	vH = 17.76 ft/s
B.	vH = 16.20 ft/s
C.	vH = 18.00 ft/s
D.	vH = 16.42 ft/s
Answer» D. vH = 16.42 ft/s

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The oil pumping unit consists of a walking beam AB, connecting rod BC, and crank CD. If the crank rotates at a constant rate of 6 rad/s, determine the speed of the rod hanger H at the instant shown.

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