A 10-kg storm window measuring 900 × 1500 mm is held by hinges at A and B. In the position shown, it is held away from the side of the house by a 600-mm stick CD. If the stick is suddenly removed, allowing the window to swing shut, determine immediately before impact 

(a) The angular velocity of the window, 

(b) The reactions at A and B.

Transcribed Image Text:

N 1500 mm A C Fig. P17.20 B D |y 1500 mm E 900 mm X