The Conservation of Energy lab performed in class measured physical characteristics, the actual conservation of energy in idea circumstances, and the energy that is lost in the bounce of a variety of balls. The objects that were measured included a golf ball, ping pong ball, racquet ball, billiard ball, marble, and tennis ball. As a group it was required to write a hypothesis related to measurements of mass/weight, energy lost and energy change from the bounce. The group predicted that the billiard ball would have the most mass, weight, and density, while the tennis ball would have the most volume. Also was predicted that the ping pong ball would loose the most energy, and while performing the experiment the higher the top of the drop was …show more content…
Hypothesis was that the ping pong ball would loose the most energy, which ended up being an incorrect prediction. To start this section of the experiment the mass was needed, which was found previously in Section A. Then the group took each ball, dropping it from a height of 2 m, and using a stopwatch to measure the time it takes for the ball to hit the ground. The times that the ball took to hit the ground were not 100% accurate due to human error which could alter the exact energy results. After gathering that data then the group was able to calculate the final speed by the formula: vi+at. The initial velocity being zero, acceleration being 9.8 m/s^2, and time alternating between the times given according to the different balls. Next was the calculation of the potential energy, the formula being: mgh. Mass varied for every ball while the gravity was always 9.8 m/s^2 and the height was always 2m. Then the calculation of kinetic energy, the formula being: 1/2mv^2. The mass and velocity varying. After figuring all of the energies the experiment wanted us to the group then calculated the energy lost during the drop. This was figured by subtracting the kinetic energy from the potential energy, then to find the percentage lost for easier readings the group took the lost energy of the ball and divided it by potential energy of the same ball. The results were shocking to our group and not what was predicted. Results showed that the billiard ball had the greatest potential energy and the ping pong ball had the least. The results were the same when calculating the kinetic energy. The golf ball lost the most energy, the group believes that this was caused due to the potential energy of the golf ball being so high and the kinetic being low. The golf ball energies also were farther away
So, in the end, one could conclude that using an aluminum bat is better than using a wood bat, simply because of all the recent advancements in science, metal, and engineering. To develop a science experiment of one’s own they would need a baseball field, baseball bats one wood, another aluminum (same length and weight) a bucket of baseballs, a stake to mark where the baseballs land, 7 tape measures (50ft), a pitching machine, a paper pad and pen, an outfielder, a pitcher, and lastly a hitter. The way one would conduct this experiment is by having the pitcher set the pitching machine to a reasonable speed, then have the pitching machine pitch, the hitter hit 15 balls with both bats. After every hit ball have the outfielder put stakes in the ground to mark where the balls landed, then record the distance after with the tape
You told my partner and I to change the color of things that are different in our papers. Problem Statement: You have a pool table with pockets only in the four corners. If a ball is always shot from the bottom left corner at 45°, and it always bounces at 45° , how many times will it bounce before it lands in a pocket? I worked with a partner, but I spent more time on bigger dimensions and a table of our data, while my partner spent more time on smaller dimensions Pool Table Dimensions Number of Rebounds Corner it lands in(A, B, C, or D) 1x1 0 C 10x10 0 C 2x1 1 B 2x4 1 D 3x6 1 D 2x6 2 C 2x7 2 B 2x8 3 D 8x12 3 B 2x3 3 B 10x6 6 C 30x18 6 C 2x4 8 D 3x8 9 D 4x7 9 B 4x10 9 B 5x7 10 C 7x10 15 D 19x10 25 C 19x20
Introduction The purpose of this Lab was to identify the density of the unidentified object and determine what substance the unidentified object given by the teacher was. The density calculated in the experiment will stay the same because the density of the unidentified object will stay constant. The Independent Variable of this experiment was the calculated density and the unidentified object given. The Dependant Variable for this experiment was the density.
Tyler White CHEM151LL 32658 04/01/2018 Different Types Chemical Reaction Types and Equations Purpose: The purpose of this lab experiment is to examine different types of chemical reactions such as Decomposition reaction, Synthesis reactions, Combustion reactions, and different Chemical equations. The experiments were conducted online using Late Nite Labs. Materials: Because the experiments were conducted online there wasn’t any physical use of materials, only digital ones, for these labs to be performed. Only the registration for the website was needed to perform these online labs, as well as a desktop computer.
The independent variable is temperature. Temperature is either something that is cold or hot. How hot the object or how cold the object. The thing that is changing is the temperature of the tennis ball.
Physics was observed during a DHS girls lacrosse game by Newton’s Laws and in free-fall. Newton’s Laws consist of 3 different laws, the law of inertia, F=ma, and action-reaction forces. Free-fall was observed in the game when the lacrosse ball falls, and only gravity acts upon it. All in all, Newton’s Laws and free-fall was portrayed during the lacrosse game.
It doesn’t really matter on what type of ball, physically, it mostly points to whether you’re strong enough to survive this elimination game of
When the ball hits the ground its kinetic energy is turned into elastic energy this makes the ball flatten out. Then that elastic energy is converted right back into kinetic energy when it goes up. So the more kinetic energy a ball gets when it is dropped the more energy it will have when it hits the ground which will give it more energy when it is headed back up therefore making it bounce higher.
In conclusion, air pressure has a direct influence on the distance that the ball will travel when thrown. The hypothesis stated that if pressure is added to the football, then the distance the ball projects will increase when distance is a function of pressure. Based on the data that was collected from the experiment, the hypothesis was supported. When the football had more air inside, it went the farthest distance compared to the other two pressures that data was collected from.
283.71 K. Through calculations, it was found that the pressure should have been 12.05 psi when the balls hit the field at the temperature of 51°F (10.5 °C).
As the marble slides down the first drop it will lose much of its potential energy corresponding to the loss of height. The marble subsequently gains kinetic energy – kinetic energy is contingent to the mass and the velocity of an object. The marble speeds up as it loses height, consequently, their potential energy is transformed into kinetic energy. Newton’s Second Law states that an object’s net external force is equal to its mass times its acceleration; simply, the acceleration is proportional to the force applied and also the mass of the object.
To find the momentum of the highest drop, the mass of the container with the egg inside it, 0.600 kg, was collected, and the final velocity of 15.0 m/s was calculated. This velocity was calculated by multiplying gravity by the time it took for the container to fall this distance. The final velocity and mass were then multiplied together to get the momentum, which is 9.00 kg m/s. Impulse is the change in an object 's momentum and can quantify the overall effect of a force acting over a specific time. To find the impulse for the highest drop, the value of the force exerted on the container was calculated by multiplying the mass with gravity, which equals 5.89 N. This force was then multiplied by the time it took for the drop, 1.53 s, which equalled an impulse of 9.01 Ns. The impulse and momentum is the same because, in a collision, an object experiences a force for a specific time interval that results in a change in momentum.
Mickey Ngobeni Research Question: Is the movie ‘Gravity’, according to Newton’s laws and physics in general, accurate? Introduction: ‘Gravity’ is a sci-fi, techno-thriller movie that has its plot’s setting based in space. Astronauts (main characters: Sandra Bullock as ‘Dr. Ryan Stone’ and George Clooney as ‘Matt Kolwaski’) are sent into space, yet encounter a series of events, most of which is susceptible to occur in outer space (Foogray, 2015). Questions have risen as to how accurate the movie is according to physics and Newton’s law, and many have been answered.
HYPOTHESIS Water will have a lower voltage than the energy drinks and the energy drinks will have the around the same voltage. VARIABLES Independent Variable - The liquid being used, water and the four different energy
There can’t be any sport played without physics. Physics has a vital role in the field of sports. Physics can be linked with sports on many different levels. When we play sports, lift weight or even buy sports equipment we probably don’t know how much physics is applied on it. The manufacture has to consider about what will make the equipment better, and what material will cause the material to function at its max potential.