physics lab 2 report.docx

physics lab 2 report.docx - Range Versus Height Lab Report...

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Range Versus Height Lab Report Abstract: In this range versus height experiment, the average range which is horizontal distance was measured by launching a small metal ball from different heights of the drop plate with various speed and measuring its landing spots. After conducting a few experiments to find the most accurate and precise method for dropping, the ball will be dropped a couple of times from different heights which are 30cm, 25cm, 20cm, 15cm, 10cm, and 5cm to understand the
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relationship between the height it was dropped and the range the ball has travelled. The standard deviation will be calculated as well for each height the ball was dropped. The results were as the height increases, the ball range and uncertainty also increase. Lastly, the range of the ball is equals to the slope, which is 2 times the square root of the bounce plate height which is 20cm, multiply by x 1/2 where x represents the different heights the ball was dropped. Introduction: The goal of this experiment is to have a better understanding of free falling objects in projectile motion by determining the relationship between the range as a function of height. Since there is a gravitational force acting on the free falling object, it will yield a greater vertical velocity as the ball falls from a greater height than from a shorter height. As the ball hits the bounce plate where the vertical velocity become the initial velocity in the horizontal direction, there with only be horizontal velocity acting on the ball since gravitational force only applies on the vertical direction. The greater the velocity the ball has when it hits the bounce plate, the greater the range it will has. The most precise and accurate method was used to drop the ball to reduce the uncertainty in the distribution of the landings of the ball from different heights. Understanding the projectile motion is important because the vertical and horizontal motions and velocities, and gravitational acceleration of free falling objects are part of everyday life and and they can be analyzed by performing a simple laboratory experiment and mathematical based theories.
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