I’m sorry I don’t understand this language
Answer:
The energy stored is 1.4 x 10^-9 J.
Explanation:
Side of square, L = 10 cm = 0.1 m
Distance, d = 2 mm = 0.002 m
Electric field, E = 4000 V/m
The energy stored in the capacitor is

The capacitance is given by

Answer:
Length is the unit of metre
I’m pretty sure it’s lean mass but let another guy answer you before you use mine
Yes but they not supposed to