Tuesday, December 13, 2011
blog post 14
this is really late but i need the little bit of credit this will give me to help my grade a little bit. i got a D on my last exam so I need all the help i can get. I really forget what we learned during this time period but im guessing it had to do with momentum. Momentum is conserved and never can be be destroyed. Momentum in equals momentum out. so like for a grenade momentum is zero at the beginning and if you add up the shrapnel after the explosion it will equal to zero again. This is a picture of killahs. we are like grenades cause we explode. haha or something like that
Monday, December 12, 2011
This is the great Hayden Wills, a.k.a Swollen wills. I chose him as my final blog post picture because he shows a lot of good physics concepts when this picture was taken. His legs show good potential spring energy and the amount of potential spring energy will be unleashed into kinetic energy on number 36. i would not like to be that guy. He also has spring potential energy in his arms and those will also be unleashed and increase the energy given to number 36. his momentum has to equal to zero because he started at zero, the way he will do that is by causing number 36 to go backward at the same velocity he is, thus creating his momentum back to zero. Hayden Wills or swollen wills helped me to learn about physics in a fun and helpful way. I really enjoyed learning physics this semester through these types of blog posts that relate it to real life. He is a killer.
Monday, December 5, 2011
Energy
This week we learned about energy and the different types. There is potential and kinetic. Potential can be broken up into potential gravity and potential spring. maximum potential energy is equal to the maximum kinetic energy. this is because Energy in equals Energy out. Similar to momentum energy is conserved. In this picture we are standing at pali lookout and we have a lot of gravitational potential energy.
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