A44.0 kg uniform rod 4.90 m long is attached to a wall with a hinge at one end. the rod is held in a horizontal position by a wire attached to its other end. the wire makes an angle of 30.0° with the horizontal, and is bolted to the wall directly above the hinge. if the wire can withstand a maximum tension of 1450n before breaking, how far from the wall can a 69.0kg person sit without breaking the wire?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?