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I need help deriving an equation for the uncertainty in my calculated moment of inertia. My...

I need help deriving an equation for the uncertainty in my calculated moment of inertia.

My equation for inertia is: I = (g*r^2)/(s)

In that equation:

I = inertia in units g*cm^2

g = gravity in units cm/s^2

r = radius in cm

s = slope = a/m = where a is acceleration in cm/s^2 and m is mass in grams

I attached a sheet that may be useful in deriving an equation for uncertainty: https://ibb.co/sQm22Hh

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