The distance between two telephone poles is 36 m. when a 1.99 kg bird lands on the telephone wire midway between the poles, the wire sags 0.118 m. the acceleration of gravity is 9.8 m/s 2 . how much tension in the wire does the bird produce? ignore the weight of the wire. answer in units of n.

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?