Physics - Uncertainties

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I have to do a lab with uncertainties, I have worked out that the uncertainty of the weight of Newton weights is (±0.48g)and the time uncertainty is (±0.0005s)but how do you find the uncertainty of acceleration? (using (v^2-u^2)/ (2s) ) just theoretically how would you go about doing this? and the distance was measured by a normal ruler so I guess the uncertainty of distance would be something like 0.0005m?
thanks for helping!

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