1) Two telephone poles are separated by 40m and connected bywire. A bird of mass.50kg lands on wire midway between polescausing wire to sag 2.0 m below horizontal. Assuming wire has nomass, what is tension in wire? 2) 2 boxes of masses m and 2m are in contact with each other onfrictionless surface. What is net force on more massive box.
3) A rifle bullet is fired at angle of 30 degrees belowhorizontal with initial velocity of 800m/s from top of cliff 80 mhigh. How far from base of cliff does it strike level ground below?(answer is 140 m but can't seem to get it )
