14:14 Mon Apr3 --- 5? 59% [:]I i webassignnet (D Instructions A Assignment Submission & Scoring You have 5 trials. Assignment Submission Your answers within 3% error is accepted. _ _ _ _ For this aSSIgnment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer. Assignment Scoring Your last submission is used for your score. The four particles shown below are connected by rigid rods of negligible mass where y1 = 6.50 m. The origin is at the center of the rectangle. The system rotates in the xy plane about the z axis with an angular speed of 5.80 rad/s. 9' 3.00 kg I 2.00 kg T .YI x () 2.00 kg 0 o l 4.00 kg l-~l.00 mhl (a) Calculate the moment of inertia of the system about the z axis. (b) Calculate the rotational kinetic energy of the system. :JJ 2. [3/6 Points] PREVIOUS ANSWERS A 14.0 m uniform ladder weighing 510 N rests against a frictionless wall. The ladder makes a 59.0-angle with the horizontal. (a) Find the horizontal and vertical forces (in N) the ground exerts on the base of the ladder when an 850-N firefighter has climbed 3.70 m along the ladder from the bottom. horizontal force