4. Two children on opposite sides of a 13 kg door (I = 1/3 mL2) apply a force to the door. The first child pushes with f

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4.
Two children on opposite sides of a 13 kg door (I = 1/3mL2) apply a force to the door. The first child pusheswith force 17N at an angle of 80° relative to the door at aposition 0.2m from the door’s hinges. The second child pushes witha force of 15 N perpendicular to the door at a position 0.3 m fromthe door’s hinges. The width of the door is 0.4 m. What is thedoor’s angular acceleration? (6 pts)