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I am going to investigate how high a table tennis will ball rise when it is dropped from different height measurements.

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Introduction

Physics Plan

I am going to investigate how high a table tennis will ball rise when it is dropped from different height measurements.  There are several factors which can affect the height of the ball when it rises.  One factor is the actual height in which it is dropped from.  I will look at this and the other factors in this investigation.

Prediction

I predict that as the height is increased at which the ball is dropped, the more the decrease in which it rises back.  As the ball is released from any certain height, it falls to the ground by gaining kinetic energy.  The ball bounces back because there is an elastic potential energy.  As the height is increased the potential energy also increases.  

These are just some of the scientific theories behind the bouncing ball and the main justification to the prediction I have set.  After having done the experiment, I will explain in more scientific detail concerning the bouncing ball theory.

Method

For my experiment I will use the following apparatus:  Table tennis ball, meter ruler, boss head.

I will now explain how I am going to carry out the experiment:

(1)

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Middle

This preliminary experiment has allowed me to understand thoroughly in how to carry out the experiment.  It has also enabled me to draw up an accurate method for my investigation.  In all, the pre test has been very beneficial to my overall coursework.

Physics Experiment

Results

Height at which bouncing ball is dropped from (cm)

   Height of      

1

  bouncing ball

No: of try’s

2

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Conclusion

In my opinion, the experiment was a very fair test as all the equipment remained the same - table tennis ball, ruler, boss head, surface, people involved.

There were no difficulties which I felt I had or incurred during the experiment.

When analysing the results, especially the scientific knowledge part, I could read a lot of extra information available on the internet.  This could help me further my knowledge and understanding of the bouncing ball investigation and perhaps enable me to write a better analysis.  It could also give me some confirmation about my conclusions as it will have been based and proven on the same investigation before.

In conclusion, I feel that the results I have obtained are fairly reliable and accurate. However, a few changes would probably have made it a lot better.

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