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# Investigating the bounce height of a squash ball

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Introduction

ce height of a squash ball Aim: to see how the drop height of a squash ball affects the bounce height. Diagram: Method: Drop the squash ball from the top of the ruler and measure how high it bounces. The height is the variable that you will change, and the bounce height is the second variable. You may need to bounce the ball once before you start just to get a rough measurement of the eye level. The things that may affect the value of the experiment are: 1. ...read more.

Middle

not placing the equipment correctly this can easily drop on someones foot. Prediction: I think that the bounce height will increase at the same rate as the drop height, and should form a linear shape. Here is a rough graph showing how the line should look like if my prediction was correct. The range I chose for my experiment was from 10cm to 70cm. Here is a table of my results: Drop Height (cm) Bounce height (cm) 10 2 20 4 30 5 40 9 50 11 60 17 70 19 Here is a graph for my results: The results from my graphs show that it forms a linear shape and that my prodiction was correct. ...read more.

Conclusion

When the ball is dropped it speeds up untill it hits the ground where it will squash and bounce back up again. The higher the drop height the faster the ball will fall and when it reaches the ground it will squash more causing it to bounce higherand stay at a steady rate all the way through. To make this experiment really accurate you would most probably have to use a camracorder, you would have to record the bounces and play them back slowly then record your results. Conclution: To improve my work I could have done more results as I only done a few and also used a more accurate way of measuring the bounce height. ...read more.

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