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## Homework Statement

I have been given a set of results to analyse, regarding acceleration of a free fall object in a peice of paper, (100g mass, 10cm card) falling through a light gate at different heights, i am having problems with working out the acceleration using formulae.

Distance from gate = 0.02m

Time = 0.163 seconds.

U = 0 i presume..or maybe not(part of my problem)

S = 0.1 (the length of the card)

## Homework Equations

s = ut + 1/2at(squared)

## The Attempt at a Solution

I have got 9.15 once but i think it was a coincedence.