Recent content by martinbandung

Homework Statement Find electric field at Point A its an arc with uniform density= lamda https://drive.google.com/file/d/14cBqE2dMe_w0nb9LtPG0h1cUOrzGWt6g/view?usp=sharing the problem Homework Equations E=intergal dq/r^2 The Attempt at a Solution I've tried using wolfram and cosine rule to...

Homework Statement https://drive.google.com/file/d/0Byoif068nH-zWTNHQTJid0gxRm8/view?usp=sharing[/B] x=0.05m v=2m/s w=10 rad/s Find the simple harmonic equation. Homework Equations x(t)=A sin (wt+psi) conservation energy The Attempt at a Solution use conservation of energy to find...

the problem is the purple object will seem to be black if the object is illuminated by what color of light? i want to know if there is a theory that discuss about this, or the mixing of light color. Thank you for your help

hello, i have a reasearch to analyse the movement of human walking using pca. i did it like this 1. i dibide the body into some part (thigh, foot, hand, etc) 2. i film it so i can track the x position of the parts 3. i get the x to t graph for every part 4. i make a matrix which column is the...

wow thanks for the brilliant idea. i will tell my partner about it. do you mind if i contact you when i need some help?

https://drive.google.com/file/d/0Byoif068nH-zbk8tVmhCQVlYMlk/view?usp=drivesdk 1. Homework Statement The steel railway will be constructed in a place that temperature can change 8°C. Length of each rail is 10 m. With α=11*10^-6 . Minimum space required between the rail is... Homework...

Hello all, I'm planning to do a research about stilts movement. I chose it because stilt is a traditional game in my country. In my plan, i want to analyze the velocity of the walker, the frequency of stilts, and the length of steps. I need some other idea to be added to my research. Such as the...

hello, my name is Martin, i am a high school student from Bandung, Indonesia. I love physics. I am now interested in competing in science research competition. My hobby is playing guitar. Nice to meet you.