Science 10 Graphical Methods for Determining Work
Solve each problem using the graphical method for determining work.
1. Determine the amount of work done by the force represented in each force versus position graph.
(a)
180
140
12.0
100
20
60
40
20
1.0 2.0 3.0 4.0 50 60 70 80 90 100

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

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