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Vitani11
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Homework Statement
A bob of mass 0.005kg is attached to a pendulum and has a charge of -8.0 uC. The pendulum is 1.0m long and has a periods of 1.2 s when it's puts it in a vertical uniform electric field E. What are the magnitude and direction of E?
Homework Equations
∑Fy = qE - mg = ma
q is charge
E is electric field
m is mass
g is gravity
a is acceleration
L is length
T is period
The Attempt at a Solution
I set up a FBD and this is what I have so far.