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Codę Continued

Knowing that there is no momentum, the tape must have equal and opposite forces on the y-axis in order for the total force to be 0

With this knowledge, I knew the magnitude of the gravitational force (Fg = m*g) and I knew that the electric force had to be equal in the opposite direction

Also, I had to use the assumption that the charge is evenly distributed throughout

EF = -Fg from this we can derive a formula to find the charge of the tape by fmding dQ, the charge of one typical piece and getting an estimate using N=10 pieces

I was able to determine the charge of the tape to be 4.63e-8 C