a traffic light of 80n hangs from the midpoint of a 30-meter cable lying between two
posts find the tension in each segment of the cable if it forms an angle of 4 ° to the
horizontal.

t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanatio

v 154.9= 0.9 length length s little over 154.9cm

pe = weightxheight = 2000x1000=2,000,000joules

iron would move it is magnetic there is a mag field around the current in the wire