Acceleration Problem: Solve for U & A

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SUMMARY

The discussion focuses on calculating the acceleration of a free-falling object using the formula s = ut + 1/2at². The parameters provided include a distance from the gate of 0.02m, a time of 0.163 seconds, and a card length (S) of 0.1m. The user presumes the initial velocity (U) to be 0, which is a critical assumption for the calculation. The impact of air resistance on lighter objects is noted, indicating that results may vary based on the object's mass.

PREREQUISITES
  • Understanding of kinematic equations, specifically s = ut + 1/2at²
  • Basic knowledge of free fall physics
  • Familiarity with measuring time and distance in experiments
  • Concept of air resistance and its effects on motion
NEXT STEPS
  • Research the effects of air resistance on free-falling objects
  • Learn how to accurately measure acceleration using different masses
  • Explore advanced kinematic equations for varying initial velocities
  • Study the principles of free fall in different mediums (e.g., vacuum vs. air)
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Students studying physics, educators teaching kinematics, and anyone interested in understanding the dynamics of free fall and acceleration calculations.

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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 piece 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.
 
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For the lighter objects, you have to take the air resisatance into account. The answer you got correct, would probably have been for a heavier object cause the air resistance is negligible for them.
 

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