The purpose of the experiment was to use previous knowledge of velocity yo perform kinetic energy calculations, make calculations of gravitational potential energy, and to determine what affects GPE and KE more. What was determined to be true was that the potential energy was larger than the kinetic energy and that velocity had a greater effect on the kinetic energy because velocity doubles in the kinetic formula. At first the group had to convert the original ball’s mass from grams to kilograms by dividing by 1,000. Then the group had to determine the height of drop for each location and calculate the potential energy of each ball by doing Mass (kg) x Gravity x Height. To determine the kinetic energy the team had to determine the distance

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## Kinetics Lab

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Introduction: Chemical reactions are dependent upon two factors: temperature and concentrations of substance. We can monitor the rate at which a chemical decomposes or the rate at which a chemical substance appears. In this experiment we will be measuring the rate of decomposition of hydrogen dioxide with the following reaction:

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## Ball-Mass 3 Experiment

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In the first experiment, “ How does mass affect your game?” it shows that the data on “Ball- Mass 3” that the 10 pound bowling ball had the highest kinetic energy of 27(J), the greatest velocity (m/s) of 3.42, and in average it produced 4 bowling points. According to the data, on “ Ball- Mass 1” the 11 pound ball got an average velocity (m/s) of 3.14, the kinetic energy of 24 (J), and the average bowling points of 3. On the other hand, the evidence shows that the 12 pound bowling ball in “ Ball- Mass 2” has the velocity (m/s) of 3.12, the kinetic energy of 23 (J), and the average bowling points of 4 . Concluding that in my Game 1 the velocity of the masses of the bowling balls decreased when the bowling balls were heavier and that the kinetic energy was lower as the mass increased in the bowling balls.

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## Energy of a Tossed Ball

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2. The ball contains kinetic energy while in motion near the bottom of its path.

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## Marble Launcher Results

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Objective: Using a marble launcher, launch marbles from different angles with different forces to find the maximum height and the velocity as it leaves the launcher. Using different variables and results to determine how the different angles and amounts of force effect the variables. With this data show the effect the forces cause in 1-D and 2-D motion, as well as in the X and Y directions. This is done through kinematic equations and calculations.

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## Acceleration Lab

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The purpose of this lab was to test the relationship between velocity, position and time. As well as identify how accelerations affects an object's velocity and time. In this experiment, we will collect data on velocity, speed, and time. We used the equation Y=mx+b, in order to compare the velocity of each trial by comparing the slope and the y-intercept. If the slope was steeper on the graph, this meant that the cart had an increase in velocity. If the cart maintains at a constant speed, then the cart will have an increase in acceleration. In class we learned about the principles of acceleration, time, and velocity. Acceleration is an object’s increase in velocity. Velocity is how

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## Velocity Step Lab Report

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The Velocity Step Test measures gain and the time constant of the VOR by quickly changing the velocity of the chair when rotating left and right. Pre- and post-rotary nystgamus are measured at time constants of 60 and 240 degrees/second. Pre-rotary nystagmus time constant is measured during the 60- and 240-second velocity times and post-rotary nystagmus is measured during the 60- and 240-second stop times. The reason for using 60 degrees/second is to estimate the time constant and gain for the left and right horizontal canals. As the velocity increases, the time constant decreases and a percentage of VOR gain for the right and left can be compared. The test begins by accelerating the patient around 100 degrees/second2 stimulating the right peripheral system. The patient is spun to the right until maximum velocity is reached at 60 or 240

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To determine whether the height at which a marble is dropped affect the size of the crater.

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## AP Physics Lab Report

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Students in an AP Physics lab perform an electrostatics experiment involving two charged spheres suspended

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## Precision And Accuracy Lab Report

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Introduction: Accuracy and precision were the major aspects of the lab. Accuracy is how close the average of the measured values are to the actual value. Precision is the closeness of repeated measurements. In the lab, the aim was to get as close as possible with both accuracy and precision when determining the mass and volume of the spheres. The mass was determined by weighing the spheres on the Analytical Scale and Triple Beam Balance Scale. The volume is determined by measuring with a ruler and by water displacement. The standard

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## Scientific Revolution Dbq

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rate of fall of an object was determined by its weight held that matter was constructed out

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## What Was The Purpose Of The Marshmallow Experiment

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The purpose of the experiment was used to determine which team created a design that ultimately proved to launch the marshmallow the farthest. What was determined to be true was that the structure that contained the right configuration in producing a high amount of force proved to have the greater amount of displacement of the marshmallow. This proved the group’s hypothesis. However, when the group was compared to other groups conducting the same experiment, the displacement of their marshmallow was the shortest. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. As mentioned in the research, projectile motion was shown when the marshmallow was launching

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## Dropping Of A Ball Experiment

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This experiment involved the work of two people, with one person dropping the ball, while the other person recorded the experiment allowing for a display of data. Firstly, place one ball on the top pan balance to find the mass of the ball, repeating for each ball. This is to ensure that each ball has a different weight, without being too similar. Make sure to choose three completely different balls. For example, a golf ball, tennis ball and basketball.

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## Trebuchet Arm Ratio Hypothesis

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In contrast to this hypothesis, it was discovered that the experimental values deviate from the theoretical values when the counterweight falls more than 20 cm. This is due to the trebuchet shifting and rocking during launch which meant significant energy was lost during the launch. The height of the counterweight was chosen as a variable because of the formula for GPE (gravitational potential energy) is GPE=MGHwhich is all multiplication, meaning the greater the height, the greater the GPE value will be. A higher GPE means higher energy input into the system which, according to the law of conservation of energy, means that theoretically, the output energy that ends up in the projectile is also greater.

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## Lab Report Physics

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2. Explanation of Forces The capsule and Egg have slightly different forces acting on them during this experiment. The egg is within the capsule both during free fall and at impact. Since it is sitting on a surface within the capsule there is always normal force acting opposite to the gravitational force, which is also present and pointing down to Earth.

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## Lab Report Physics

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Participants watched two disks moving towards each other from opposite directions. When the two disks meet, a clicking sound is heard occasionally. Participants had to determine whether the two disks bounced off one another or they moved past one another. Sound hints that the disks collided with one another. Participants were asked to answer Physics questions related to motion, before being asked to rate his/her familiarity with sports that involve balls. Participants had to calculate the stream/bounce score which is the number of times the spheres collided with one another minus the number of times the collision did not occur. It was a correlational study and correlation coefficients were calculated before being squared to find

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