How the gasoline is composed of hydrocarbons
Gasoline is composed of hydrocarbons. Which additive, ethanol or MTBE, is more compatible (similar) with gasoline? Why? Gas manufactures definitely prefer one of these additives over the other because of the ease of mixing.
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Research recently reported the first optical atomic trap. In this device, beams of laser light replace the physical walls of conventional containers. T
The disk of the Milky Way is about 105 light years in diameter. A cosmic-ray proton enters the galactic plane with speed v = 0.99c. How wide is the galaxy to the proton (in its direction of motion)?
Baseball reporters say that long fly balls that would have carried for home runs in July "die" in the cool air of October and are caught. The idea behind this observation is that a baseball carries better when the air is less dense.
At this time, when the tail of the ship is beside us, what does the clock in the tail read?
Gasoline is composed of hydrocarbons. Which additive, ethanol or MTBE, is more compatible (similar) with gasoline? Why?
The structure of the human genome was elucidated in 2000. Many scientists and business professionals describe the achievement as a turning point.
A diesel engine weighing 20.5 ton (1 ton = 1000 kg) is at rest on a track inclined at an angle of 7.5°. Five cars, each weighing 2.4 ton, are coupled to the engine through steel wires. Find the tension in the steel wire between the first car a
How does nuclear magnetic resonance imaging allow us to see inside human bodies? In what other ways do you think this technology could be used?
A block of mass m1 = 2.00 kg on a frictionless inclined plane of angle 32.0° is connected by a cord over a massless, frictonless pulley to a second block of mass m2 = 2.00 kg hanging vertically.
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What is the difference between direct and indirect democracy? Think about the last time you voted in a government election (in any country, at any level)
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