The problem that follow involve straight-line motion. The time t is in seconds unless otherwise stated.
Problem
At the instant shown, the coordinates of the collar A are x = 2.3 ft, y = 1.9 ft. The collar is sliding on the bar from B toward C at a constant speed of 4 ft/s.
(a) What is the acceleration of the collar in terms of polar coordinates?
(b) Use the answer to part (a) to determine the angular acceleration of the radial line from the origin to the collar A at the instant shown.
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