ajbrock1004
26.05.2021 •
Mathematics
The points A and B are separated by a distance of 42 cm dominated by an external electric field of 400 N/C directed toward the right. If a point charge of 40 mC moves from A to B, calculate the change in the electric potential energy of the charge.
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Ответ:
4g + 4
Step-by-step explanation:
Perimeter of a rectangle = 2(length + width)
Length = 0.7g + 2
Width = 1.3g
Plug in the values into the equation
Perimeter = 2(0.7g + 2 + 1.3g)
Perimeter = 2(0.7g + 1.3g + 2)
Perimeter = 2(2g + 2)
= 2*2g + 2*2
Perimeter = 4g + 4