Thursday, July 24, 2014

The Last Post

When I think about physics, the first thing that comes to mind is obviously that physics is the study of the motion of various things in the world. I think that though my knowledge of physics has greatly expanded, my understanding of the definition of what physics is has not really evolved throughout the summer. I learned much more than I ever imagined in this class. I had no idea that I would be so enlightened at the end of this summer. I learned the true answers to all the childhood questions I had about colors and that was pretty cool to say the least. I think that this class was actually very fun. Going into it I thought that this class was going to be so hard and challenging for me. I found this class to have its moments of challenge and pain, as expected but in the end I am very happy with how I did and what I learned.

This class was actually very fun for me. I think that Mr. Blake having his own special way of doing things made this class fun as well. Mr. Blake was able to get me interested in physics and I think that helped me in the end to really learn things here.
The only real improvement I can think of is that sometimes the class felt, dare I say a little bit too slow. There were a few times I really had to struggle to keep alert and interested which made my life hard.
Overall I had a very good experience in summer physics and I am glad that I decided to take the class.

Here's a picture of a random wave from my desktop to represent this summer.

Wednesday, July 23, 2014

Unit 10-Sun

Today we learned about how the eye see things such as reflections in a mirror and light from sources like candles, light bulbs, the sun, and other things. This picture of my car basking in the glorious sunset outside the City Mill store shows how my eye was seeing the light from the sun. The parallel ray from my eye to the sun just happens to be parallel to the ground and the focal ray will cross paths with the parallel ray to show just where my eye is truly seeing the light coming from then sunset. The central ray in all of this crazy will mainly serve as something that will help me to focus both of my rays on the point that my eyes are seeing the sunset at. This is confusing. Oh well.

Tuesday, July 22, 2014

Unit 10-Pretty Colors

Today in class we got to play with lights and lasers. We learned that colors of light mix in many ways to create various different combinations of light that when combined correctly are quite amazing. We learned that the primary colors of light are red, blue, and green when mixed, these three colors will create white light. When mixing a few combinations of these colors you get things like magenta and yellow and my personal favorite, cyan, which is a product of blue and green. We also learned why the sky is blue and why the ocean is also blue. We even learned why the sun sets red in our Hawaiian sky. It sets red because there is so much junk in the air.

Friday, July 18, 2014

Unit 9- Grand Waltz

This picture of dancers explains sound and sound waves because we make sound with our pointe shoes as we move and jump through the Sleeping Beauty Grand Waltz Variation that we performed this morning. As our pointe shoes strike the ground, they are vibrating, causing a sound to be formed at some frequency when we hit the ground with our shoes. Since the box/ tip of the shoe is hard and made of burlap and cardboard, they hit the ground quite hard which in turn, causes the sound and vibration made by the shoes to be quite loud. Not something we want when performing. Hopefully nobody will really notice it.

Thursday, July 17, 2014

Unit 9- Slater

This wonderful photograph of Kelly Slater surfing at pipeline explains this unit because he is on a wave. That is the main thing we are learning about in this unit. Kelly here is surfing on a transverse wave. This means that his wave is perpendicular to the direction in which he is going. Now, being the great surfer that he is, Kelly is able to utilize the various amplitudes of the waves to his advantage. The change in the amplitude of the wave allows Kelly to surf said wave for a longer period of time; making it infinitely cooler for on lookers like my self who have no idea how to surf, much less how to even stand up on the board. Ok, I'm lying, I tried surfing once; never again.

Wednesday, July 16, 2014

The final day of launching

Today was the day we've all waited for. We all launched our rockets and the end goal was to get 10 seconds in the air or more, if we really wanted to beat Mr. Adam's class. My group passed... yay. We are a little bit upset though. We did get 10 seconds but we really wanted to surpass our previous launch which was 13 seconds.

Our rocket had some great thought put into it and that resulted in a parachute, 4 fins and a detachable nose cone. We did take a good bit of time to make the parachute but in the end, it was worth it. The parachute did not deploy as planned today but that was due to our inadequate folding. The parachute got stuck in the nose cone. The string that was on our nose cone connecting it to the rocket also broke today. We ended up replacing the string with something thicker and stronger and that seemed to work well.  The one time the parachute deployed was utterly fantastic. The whole day led up to that moment and it finally happened.

Due to lack of PSI gauges on the pumps, we did not get an accurate reading of our PSI. We just pumped until we could pump no more. We decided that we were going to fill out 2 liter bottle half way with water. We tried that a few times and it did not work so we then changed our amount to just under half of the bottle and that worked for us.

This project taught me that in order for the rocket to float gently down to the ground we have to make sure that we have a parachute that is functional. It also taught me that you have to make sure that everything is in its proper place before you begin the process of launching the rocket. I also learned that you have to just keep on going because the result that you want to get will happen it just takes some time and patience.


Tuesday, July 15, 2014

Rockets Rock!

Today we had a lot of time to work on our rocket design and to work on any improvements we wanted to make on the rocket. My group decided to make a fairly large parachute out of a tablecloth that was purchased from Wal-Mart.  Of course our tablecloth is fabulous and tie-dyed, because who buys normal plain tablecloths? Just no. It had to be fabulous. Our design was quite simple; we cut the tablecloth into a circle and fastened 8 strings on it that were equally spaced out from each other. We re-enforced the parachute with duct tape. As far as the rocket goes, the most daring thing we did to it was add an extra fin, which happened to work really well. Our last launch was by far the best one we have done. We got a time of 13.15 seconds.

Monday, July 14, 2014

Unit 8-Rocketry

In this unit, we learned about work, energy, and power. This rocket shows all three of those things in multiple ways. This rocket shows work because I can multiply the force on the rocket by how far it goes to get how much work it is doing. I can find the energy of the rocket by multiplying its mass by 9.8m/s^2 and then multiplying that answer by the change in height that the rocket experiences. That might be hard because the height of the rocket is a little hard to find. I can find out how much power the rocket is producing by dividing its change in work by its change in time. What a fascinating item, don't you think? The rocket in all of its glory.

Friday, July 11, 2014

Unit 8-Miley

This wonderful video of Dane coming in like the glorious wrecking ball that he is explains kinetic energy in many ways. It also makes kinetic energy quite entertaining. The background music adds so much to the whole effect as well. Dane is swinging with a certain amount of kinetic energy. If I wanted to find out what Dane's kinetic energy would be, I would need to use the equation kinetic energy equals one half mass times velocity squared. (KE=1/2MV^2) I don't know Dane's mass and I'm pretty sure he won't be telling me. Too bad for us, guys. No chance to figure out how fast Dane is coming in like a wrecking ball. Eat your heart out, Miley Cyrus.

Thursday, July 10, 2014

Unit 8- Sky Rockets

Today we learned about different types of energy. They consist of potential energy which is the energy that something has before it is actually moving, and kinetic energy which is the energy that something has while it is moving. We also learned about work. Work is defined as any change in energy. The equation for work is W=F*D or, work equals force times displacement. If I wanted to find out how much work it takes me to walk up a hill versus run up the hill I would have to find the distance that I am traveling and the force that I am running/ walking with. Fortunately for me, the work would stay the same because I am going to the same place. The picture that I actually chose for today's lesson is of this baseball player because he is doing work when he is throwing the baseball.
Today we also got to play with the beginnings of bottle rockets. Tomorrow we will be doing ACTUAL rocket science woah...
All I have to say about that is...

Wednesday, July 9, 2014

Unit 7-Egg Drop (Failure...)

Well... Today we dropped our eggs. Some of us were successful and others of us happened to fail. But that is ok. It's not the end all be all of physics. Our design was quite simple and elegant if I do say so myself. I think that the premise of sticking the egg in a foam container is a very good one because the foam will act as something that will absorbs most of the shock that occurs from the capsule hitting the ground. The use of cotton was also a good addition to the design because it allowed us to be able to close the halves of the football together without putting too much stress on the egg. During our drop the release of the football was designed to make sure that it did not land on the tip of the ball, which it didn't, thank God. When the ball stroke the ground, it unfortunately bounced up again probably causing extra force to act on the egg. Next time around, I would like to have used a bigger football because that would have been even more padding for the egg. The optimal situation would have been to go with our original plan of putting the egg in a jar of peanut butter but what we had was very good and I am not necessarily happy with the end result but I did learn a lot.

Tuesday, July 8, 2014

Unit 7-Egg Drop

This picture of a nerf ball that I happened to come across is my main idea for the egg drop. I plan on cutting this nerf ball in half and then proceeding to hollow out a small pocket for the egg to sit in. After doing that, I will put the egg back into the nerf ball and duct tape it together. Because there is nothing duct tape can't do. The purpose of the foam ball is to hopefully absorb some of the impact and also to lengthen the impact time. I hope to do this by dropping the ball in a vertical manner with the pointed parts of the nerf ball facing up and down respectively.  If everything goes as planned and some act of God was also in affect, we should have an intact egg after we drop the ball from Bishop.

Monday, July 7, 2014

Unit 7- The singer

This wonderful singer from the Ellen Stardust Diner in New York City shows momentum because he is moving. This singer's mass is moving at some velocity and his mass is a certain amount unknown by me. However, even though I do not know what the numbers are, there is a way for me map out how I would proceed to find his momentum. Because he continues to move, he will be gaining momentum. As you can see in the video he gains speed right before he walks over to me and puts his face right in my camera. A pretty great moment if you ask me. Anywho, I would find his momentum by multiplying the mass by the velocity of this wonderful singer, who happens to be singing one of the GREATEST songs EVER. (Apologies for cinematic quality)

Friday, July 4, 2014

Semester 1

Unit one was all about graphing and scientific notation. We learned about distance versus time graphs and we also learned about velocity versus time graphs. We learned about the relationships that come out of these graphs such as a no relationship graph which shows that there is no relationship between the x axis and the y axis. We also learned about direct relationship graphs, which show that if something on the x axis goes up then the y axis will also go up and vice versa. Scientific notation was also on the list of things we learned in unit one. We learned how to properly write those big pesky number in scientific notation and that made things much easier.  In unit two, we learned about 1D kinematics and motion mapping. We also learned about graphing movement and how we can see the relationships that come out of these graphs. We also went more in depth when it came to position versus time graphs and this helped me a lot as far as the relationships go. In unit 3 we started to do word problems about 1d kinematics. We learned about equations like d,a,t v,a,t v,a,d and d,v,t. In unit 4 We learned about projectiles and got to play with rockets which was an added bonus. We learned about the use of trig and how that can tell us many things about a projectile. In unit 5 we learned about Newton's three laws of motion and how they pertain to every day llife. We learned how to make free body drawings and we also learned that Fnet=ma. I was not present for unit 6 due to illness but I can say that unit 6 was a bout forces in motion. Pretty much unit 5 with acceleration.


Here is a video of Mr. Blake doing something magical.

Wednesday, July 2, 2014

Unit 6- The Dancer

In unit six, we learned about forces that accelerate. This is a picture of my absolute favorite ballet dancer pretty much ever. Her name is Sara Mearns. For those of you who don't know and/or don't care she is a dancer with the New York City Ballet. In this picture of her, she is about to be pushed up by her parter- in this case, puck the donkey- which will cause her to accelerate rapidly into an amazing series of jumps and turns. When her partner pushes her, she begins to accelerate and as she continues to move she will accelerate because she will continue to jump and turn faster.

Tuesday, July 1, 2014

Unit 5- Empire State Of Mind

This picture of the Empire State Building explains today's lesson because shows Newton's third law in action. In this picture, The Empire State Building is stationary. Although it looks to be silent where are forces that are acting upon this building. The force of gravity is pushing the building down and the huge normal force of the building is pushing it up. If I wanted to make a free body illustration for this building I would draw my N force line straight up and then I would draw my Mg force line straight down and I would make it the same length as my N force line. This, besides very good builders, is what is keeping this wonderful, iconic building standing tall and proud for all to see and admire.