Question

heena, come here..

Answer 1

all except heena is here lols

Answer 2

If you want to message heena privately please do so by the "message" feature, this space is reserved for questions

I am familiar with your equation though, if you still need help

Answer 3

sorry i want here dat time :(

Answer 4

*wasnt

Answer 5

because E*S=Q/\[\epsilon\]
E*S=e*2pi*r*l
Q/\[\epsilon\]=4pi*k*l
so solve it,you will get the answer

Answer 6

thnk you @Frank_Shank