Question: A garage door is guided by rollers A and B that roll on horizontal and vertical rails. When = 4 0 degrees, the speed of

A garage door is guided by rollers A and B that roll on horizontal and vertical rails. When =40 degrees, the speed of pulley B is 0.5 m/s upwards. Find (a) the angular speed of the door (b) the speed of end D of the door.
A garage door is guided by rollers A and B that

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