In a certain region an electric potential V is present. An unknown charge Q is moved around this region between points at potential difference ΔV. A physicist measures the change in the potential energy ΔU as the charge is moved. The table below shows the data of the measurements. The unit for ΔV are MV (mega-Volts), the units for ΔU are kJ (kilo-joules). *See the picture for the data table You want to find the value of the unknown charge Q in mC. Since ΔU = QΔV make the plot y=mx where y=ΔU and x=ΔV. From the slope of the plot, calculate Q in millicoulombs (mC).

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Chapter1: Units, Trigonometry. And Vectors
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In a certain region an electric potential V is present. An unknown charge Q is moved around this region between points at potential difference ΔV. A physicist measures the change in the potential energy ΔU as the charge is moved. The table below shows the data of the measurements. The unit for ΔV are MV (mega-Volts), the units for ΔU are kJ (kilo-joules).

*See the picture for the data table

You want to find the value of the unknown charge Q in mC. Since ΔU = QΔV make the plot y=mx where y=ΔU and x=ΔV. From the slope of the plot, calculate Q in millicoulombs (mC). 

 

AV
57.1
29.9
21.7
16.7
9.97
8.55
8.32
6.52
6.87
A U
362.8
199.5
157.6
124.3
55.3
48.8
53.9
37.9
47.3
Transcribed Image Text:AV 57.1 29.9 21.7 16.7 9.97 8.55 8.32 6.52 6.87 A U 362.8 199.5 157.6 124.3 55.3 48.8 53.9 37.9 47.3
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