The motion of the ball can be split into different stages depending on the direction of the velocity vector; these stages are listed below. As the height from which the ball was dropped from was increased, the GPE energy that the ball possessed before being dropped also increased. Sign up to highlight and take notes. Drop a ball from 1 foot off of the floor, slightly in front of a yardstick. Therefore the ball ends up with more GPE, , assuming g and m stay constant, results in an increase in m g h, , assuming g and m stay constant, results in a decrease in m g h, As the ball is accelerating due to gravity, at 9.81m/s. 1. WebThe independent variables in the experiment are the heights that the balls are dropped from, the surface that the ball bounces on, the type of ball used, ball is dropped vertically, and that when dropping a ball no force is applied. Maybe you are reading a scale incorrectly, or maybe the measuring instrument is working erratically. Variables - The Tennis ball experiment What you have learned may allow you to answer other questions. Drag is a squared function of velocity and therefore as the ball drops drag increases a greater amount each second. In air considerations have to be taken into account such as air resistance but even so the rough height to which it will bounce to can be predicted before dropping the ball. This is because it is easiest as the figure read of the meter rule is the result. If the coefficient to restitution = 0.7, a ball dropping from h, in a vacuum would reach the height of 0.7 h, As velocity increases air resistance increases in proportion to the square of the velocity. WebControl variables include the size of pots, the type of soil and the position in a room. Hence the final answer is: \(\text{Total distance} = 2 \cdot S_n = 2 \cdot 9.6 m= 19.2m\). Type your answer here: The independent is the variable you change, The dependent variable is the variable you observe to determine the impact of the independent variable, and control variable is the constant, which is something that is assigned a value, and it will not change in the experiment.
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