An airport has runways only 132 m long. A small plane must reach a ground speed of 40 m/s before it can become airborne. What average acceleration must the planes engines provide if it is to take off safely from its airport? Answer in units of m/s2
September 5, 2011
Assume that a movie is two hours long, that the frame rate is 30 frames per second, and that the resolution per frame is 1080i (1920x1090 pixels per frame), and that each pixel is represented by three colors (Red, Green, Blue) where each color is described by one byte. A) how ...
April 5, 2011
How do I find out how much heat it takes to raise the temperature of 100 grams of aluminum from 50 degrees celcius to 80 degrees celsius. The specific heat is 900j/kg First I did 100*30*900 and it equalled 2,700,000. that seems to high, is it? I then multiplied 100*30*.9 and ...
June 27, 2010
Where can i find stuff about ancient china Start with a list and overview of Chinese dynasties and the preimperial period, and then decide how "ancient" you want to go. Here is a good place to start: (Broken Link Removed) Then use google.com or wikipedia.com or a ...
March 13, 2007