Every practical source of energy that you can imagine, as well as a few impractical ones, are used somewhere in the USA.
From whale oil in Alaska, to nuclear energy, to coal, petroleum, natural gas, solar energy, wind energy, and biomass.
Oh ! Geothermal energy and tidal energy aren't too popular, but I'll bet if you looked, you'd find these used too, SOMEwhere in the 50 states.
Max preassure = force / min area
= 3N / 0.1 x 0.05
= 600N/m(squared)
Copy off of the picture below itll help better, its what someone sent me when i asked this question
The moon has a small amount of gravity. Low tides mean the moon is not pulling on the water. High tides mean that the moon is pulling on the water.
1 hour for the train to travel 17,000 feet
Answer:



Explanation:
u = 4.0i−2.0j+3.0k v = −2.0i−2.0j+5.0k
Average acceleration is given by


The magnitude is

The magnitude is 
The angle is

The angle between
and the positive direction of the x axis is 