Astreet lamp weighs 150 n. it is supported by two wires that form an angle of 120 (degrees) with each other. the tensions in the wires are equal.
a) what is the tension in each wire?
b) if the angle is reduced to 90 (degrees) what is the tension in each wire?

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

What is the area of the trapezoid shown ?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions