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First Blog Ever :)
The user THEREWASHOMEWORK? posted on 3 17 14 about the difficulties and frustrations of trying to plan the makings of a Rube Goldberg machine. I agree that it is very difficult to plan how things will react with one another exactly, and so it is best to make the machines with an open mind and a lot of patience. I also agree that OK GO was very creative in the making of their music video, and it's clear that their team of helpers seen at the end of the video worked very hard on the giant machine, and was very happy when the filming was over and they had succeeded. I can't say I blame them, physics can be hard sometimes, but in the end it does give you a great sense of acomplishment.
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My Experience in Physics Class
In response to purple15's post on March 17:
I had the same experience the first day/week of physics class. I had no idea what was going on and it was all new material to me. The review chapter was not so much of a review, but new learning. It also didn't help that the first week of class was self-taught because we had so many snow days! I thought I was doomed for sure, but I was proven wrong. I soon learned that physics can be applied to all aspects of life. I began to understand the concepts better by taking notes from the book and watching the videos posted by Dan Fullerton. Now physics is not something I dread, it's something that I look forward to because I am constantly learning something new.
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Why Physics
Hotdog was right when she said that physics was completely nuts on the first day of physics. Physics can become overwhelming at anytime during your learning career in less than two seconds. Physics is a fine art and is shaped in many different ways. The cool thing about Physics is that it's used for practically everything; this is why physics is necessary for life! The first thing I would like to talk about are the VIR Tables. I really like VIR tables because once you get the hang of it you can calculate how much energy is running through your entire house. Another thing that is pretty interesting is that there are three different kinds of circuits, series, parallel, and mixed. All that can really help you get through this course is paying attention and asking questions. It also might help if you ask your teacher for more problems for practice. This shows dedication which is key in learning! Happy Studying!
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The physics of not moving.
Here's a tricky one, how is there physics involved in not moving?!?!?!??!?! Impossible you say? Neigh! Gravity. The only reason it's possible to not move or be constantly accelerating is because of the downward force of gravity, caused by the rotational inertia of the earth, so as long as the earth keeps spinning, you can keep doing nothing. Pretty Sweet, right?
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P for Pizza Rolls, P for Physics!
The most renown example of waves are ocean waves, however, microwaves serve as another example and daily appliance that showcase the physics of waves. Out of all the frozen foods on the market, Pizza Rolls are my favorite dominant after school snack. When microwaves warm up your food, friction heats up the water molecules in the Pizza Rolls. In turn, this produces heat inside the apparatus. Furthermore, microwaves have a predetermined and set frequency. Microwaves are hot for physics!
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Waves of a sporting event
During a sporting event, the players are the ones expected to perform physical activities. However, within the game and the stadium, there are many other types of physics. A few examples are waves. Waves range from the stadium fans, to the sounds of the players, to the light waves lighting up the stadium. One of the most common waves is performed by the fans, but must be done with a lot of concentration and coordination. A stadium wave has most, if not all of the crowd performing a transverse wave that usually has a very long period because of how long it takes to complete. A transverse wave is a type of wave where the direction of energy transfer is perpendicular to its oscillations. The sound waves created by the players and cheering fans are classified as mechanical and longitudinal waves. They are mechanical because they require a medium to travel through, and they are longitudinal because the air particles are caused to move back and forth. Finally, there are light waves which are classified as transverse and electromagnetic. They are electromagnetic because they do not need a medium to travel through , and are transverse due to the same reasoning as the stadium waves. There's a lot of physics within sports and the players, but the rest of the environment contributes to physics as well, as much, if not more than the actual players.
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My phone's tragic story
as some of you know I work at 2 ton ton'y where we have real good pizza. And the other day I had to walk to work in the rain. And so I was walking up Hudson and crossing th cross walk in front of wegmans, you know the big long one at the main entrance. as I was walking along I looked over my shoulder and noticed a car was waiting to pull into wegamans, and I didn't want to hold that nice man up I did like a half jog to get out of his way. I continued my walk to work as usual and right before I was about to enter my work place I checked my pockets to see if I had everything, and my phone WAS NOT in my pockets. so I sprinted back as fast as I could to that cross walk because I knew it had to be there. As I approached the beginning of the cross walk I could see my phone face down in road. But then the worst thing happened, I watch a ford f-150 run over my phone. I walked slowly toward my phone as if I were in a dramatic sappy movie picked up my phone and observed my screen. nearly completely shattered with no hope of working again. But then as im holding my phone in despair I get a text and my screen lights up. and so my still works but moral of the story is pedestrians have the right away and take your time on those cross walks.
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Physics of hitting parked cars
I just hit a parked car (I did not do a hit and run i waited and hour for the people to come to there car) I was trying to pull around a bend into a front row spot i thought i cleared the car that was next to mine. Unfortunately, my depth perception was wayyyyy of! Because i drive a big truck it was hard to judge the distance between my car and the tiny little car that i hit. I then hit the car and the energy from my car was transferred from my car to the tiny car. The tiny car then moved after my car hit it and stopped. Then i went into reverse and pulled into the spot to asses the damage that was done. I look at the little car. The dent on its bumper was as deep as a giant cereal bowl. Like you could eat 2 servings of your lucky charms out of it. After the panic was gone i realized how much physics was involved in stupid mistake. Anyways, I then thought oh god i can't even imagine what my car looks like! I then walk to the front corner of my front bumper to see the damage. My ol trusty rusty only had a scratch on it no dent at all. I thought how could this be then I realized that the Force i applied on the tiny car must have been so much because my car was so much bigger. Fnet= Ma. So I was taking a corner at a speed/velocity of 4 m/s.The mass of my car is 2143.22 kg. and I was accelerating at a speed of about 4 m/s squared. therefore the force applied to little car 8,572.88 newtons. Then i though about how my car made the little car move! Bucky must have had to put forth a lot of work. Bucky is the name of my car. Work, W=fd. The displacement from where my car was and by the time i hit the tiny car was probably about 1 meter. So the work exerted by Bucky 8,572.88. N Thats a lot of work! poor Buck! SO the morel of the story is never go for the front row spot! Park out in east jesus because trust me the walk will be much better than exchange insurance info with a pissed off lady.
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If You Are Lost In A Forest, Use Magnetism
Most people know that the compass is used to navigate yourself around. However most don't know how it works. A compass is a magnet that is free to line up with magnetic field lines. The earth is basically a giant magnet with a north and south pole. However, the north pole of a compass is attracted to the geographic north pole of the earth.. therefore the geographic north pole of the earth is a magnetic south pole. The compass is able to navigate you around earth when you are lost because of magnetic field lines which run from north to south outside of the magnet. A north point of a compass will point towards wherever the magnetic field lines point. A compass is a good thing to bring with you when you travel or hike because it doesn't require electricity and the poles on earth will most likely never change, making the compass a consistent tool to have for an emergency. A compass is polarized which means it has two distinct and opposite ends. Regardless of where you are on earth, if you have a compass you can use magnetism to help you find your way back home!
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Physics of a Roller Coaster
A roller coaster typically begins with a chain and motor exerting a force on the cars to lift the train to the top of the first hill of the ride, which is also the tallest. Once the train makes it to the top and is pushed over the top of the hill, gravity takes over and it becomes an experience of energy transformation.
At the top of the hill, the cars possess a large sum of potential energy. That potential energy is equal to the mass and height of that object. After the first drop the cars lose a lot of this potential energy because of the loss of height, but they gain Kinetic energy, the energy of motion. Kinetic energy is equal to the mass and velocity of the object. So throughout the ride the initial Potential energy is just lost then gained, lost then gained until the end of the ride.
Below is the worlds tallest roller coaster, The King da-ka, located at Six Flags Great Adventure in NJ. With a height of 139m. At launch you are traveling at 206km/h. Only 10 Km/h less than a Cessna 182, a single propeller airplane.
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slingshot
Over the week end me and my youth group made a slingshoot out of some ristbands left over by the youth rally. We tride to shoot a hotdog acrost black creek. We falled and it just below up and made a mess.phiysics apply to this because as we aplide preser on the slingshot it made more potential energy yhat when released it made kinetic energy and pushed the hotdog forword till it fell apart. Im taking physics to understand the ws us of motion so we can make better slingshots.im exited to lurn how the world works in a new way but im anzious that I dont have much time with all the school work this year.
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Paddle Boarding
In July, I will be taking a vacation to the beautiful island of Turks and Caicos as a gradation present. At the resort, there are many excursions to choose from. However, the coolest one that I saw was a paddle boarding adventure through a cove with iguanas. Though paddle boarding may look easy, I imagine that there is a lot of physics involved and that it it a lot harder. The rider has to apply enough work and force to the paddle in order to propel the board forward. This can prove to be a struggle if you don't have enough force to propel yourself through the different currents.
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Magnets
In magnets, there are many rules to need to know. First magnets run from north to south outside the magnet and south to north inside the magnet. Also, magnetic field lines show the flow of these electrons and how they interact with other magnets around. When two magnets are close to each other with both of their closest sides the same, the magnets repel each other and magnet field lines shown in between the magnets are seen repelling away from each other. Also, when two magnets are close to each other with their closest sides being opposite, they attract, which is shown with magnetic field lines. Overall, by using these need to knows, you can determine many question with magnets.
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https://www.youtube.com/watch?v=UIcim2FWhmk
Special request for Mr. Fullerton to recreate this magical performance in class.
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Direction of Magnetism
A tool that provides direction by the use of magnetism is based on the basis of physics. This tool, the compass, has been used for many centuries and helped guide history through various explorations. Today, this tool is not used as much as it had been in the past but if you are ever lost it is a great instrument to help you find your way.
Magnetism is one of the first bits of science students learn about in school and just about the first thing we discover is that like poles repel opposite poles attract. If you hold two bar magnets so their north poles are almost touching, they will push away from one another; if you turn one of the magnets around so one magnet's north pole is near the other magnet's south pole, the magnets will pull toward one another. That's all there is to a compass: the red pointer in a compass - the magnetized needle - is a magnet and it's being attracted by Earth's own magnetism called the geomagnetic field. Earth behaves like a giant bar magnet with one pole up in the Arctic and another pole down in Antarctica. Now if the needle in your compass is pointing north, that means it is being attracted to the Earth's north pole. Since unlike poles attract, the compass is being attracted to must be a magnetic south pole. Furthermore, the thing we call Earth's magnetic north pole is actually the south pole of the magnet inside Earth. Originally this concept was a little challenging to grasp but then I realized all I need to remember is that opposites attract. Earth's magnetic field is actually quite weak compared to forces like gravity and friction. For a compass to be able to show up the relatively small effects of Earth's magnetism, the effects of these other forces must be minimized. That is why compass needles are lightweight and mounted on frictionless bearings.
Compasses provide direction to our destination which in the end can be more useful than most other instruments we use in our daily lives.
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blog post
football connects to physics in several ways. Physics is demonstrated when the football is being thrown, the speed the ball is going, and the distance the ball is being thrown. People watch football on the weekends and focus on how many yards gained, who wins the game, but don't realize how much physics is involved if you really think about it.
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I AM BREAD
Lately in the video game world there has been a lot of purposefully bad simulator games: Surgeon Simulator and Rock Simulator to name a couple. Now, there is a sim game called I AM BREAD. In the game you play as, well, bread. Duh. The purpose of every level is to become toast and stay edible. The best part of the game is that it has really wonky controls. Also, the physics make little sense. The bread you play as has grip and can climb walls. It also seems to be a rather heavy mass since it can break bottles and push bowling balls around. The series Teens React has a video with it:
My favorite part is that they all ask "Wait, so I'm the bread?"
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Game theory: DNA memories?
If there is any question the assassin's creed games poses its: Is it possible to pass down memories through DNA? How would such a thing be possible even with our years of evolution? The science behind DNA coding and current experiments may surprise you.
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The physics of a pinewood derby
I am hard at studying and then my brain starts to wander and before I know it I am on YouTube; the site that can cause any determined student to suddenly lose all concentration. And then somehow through the incredible maze of related videos I find myself at a video showing how to win a pinewood derby race with science. Little did I know that it would serve as review with plentiful information on the conservation of energy and also how both Potential and Kinetic energy affect the car. The video goes to show how potential energy, which is dependent mostly of height, is transferred into kinetic energy as it travels down the track and gains speed. It also shows how some of the potential energy is transferred into heat energy through friction. It then explains how to make the fastest car you want to start with the most potential energy and get the most of that energy transferred into kinetic energy, which is dependent mostly on velocity. To maximize potential energy the weight is placed toward the top of the car. To reduce the amount of energy lost the car rides on three wheels instead of four.
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Sitting on my couch and watching television
When I sit on my couch and watch television (Netflix), there is a lot of physics involved. For example, I do not do any work, because I stay in the same place for hours. Sometimes I get up to go to the kitchen for food, but then I go back to the couch, so my displacement is zero. Also, sound waves, which are mechanical and longitudinal, travel from the television to my ears, which are about ten feet away from each other.
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