Ball The balls finish up with the same amount of energy and the only energy given out is thermal energy. Material that you may test are: Carpet, Rubber matte, ply wood, sponge, Styrofoam, another ball, . If you are using windows sound recorder program, you can view the recorded waves with an accuracy of 0.01 second. The motion of the ball can be described using velocity, displacement, and acceleration graphs, or geometric sequences. Because of these forces, both the ball and floor deform inward. About a foot above the table top is plenty. Tape the ruler to the wall. will differ from the height that the ball would have reached had it been dropped in a vacuum. This calculation is shown in the data analysis section above. Your bibliography must contain sources that are available to you (at your school or local library). This is why it h2will be from the bottom of the ball as it hits the floor to the bottom of the ball at the top of its arc after bouncing. In my science fair experiment, the golf ball overall was the ball that bounced the highest. Advanced levels of experimental science rely heavily on graphical and mathematical analysis of data. This can be in the form of a table of processed numerical data, or graphs. It was more reliable to use the middle three results as it automatically discounted any anomalies; assuming two similar anomalies were recorded for one height, if they were then they both would be discounted. The coefficient to restitution can be found out from a graph of, it follows the gradient of the graph change in h. . This is because as the ball goes faster it passes through a greater volume of air each second. This also proves the accuracy of the experiment. The terminal speed is the maximum speed reached when an object is dropped from a great height. This means that the higher h1the more h2will differ from the height that the ball would have reached had it been dropped in a vacuum. Create the most beautiful study materials using our templates. Why or why not? If you are author or own the copyright of this book, please report to us by using this DMCA report form. As the ball hits the floor with less KE than it would have done if it had been dropped in a vacuum it follows that less energy is converted into elastic potential energy and back into KE again. If you have any questions or need more support about this project, click on the Ask Question button on the top of this page to send me a message. You can drop the ball from your hand or you can make a stopper for the ball to hold it only from the sides with a little pressure. Everything you need for your studies in one place. As gravity remains the same the amount of work acting on the ball remains the same (apart from slightly more air resistance due to the ball travelling faster and so hitting more air particles per second, but the effect of this is negligible) and the ball travels further before stopping. However, they only stretch for an instant before atomic interaction forces them back into their original, tangled shape and the ball shoots upward.
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