Answer:
Color coding is a way to convey information quickly, which facilitates visual search. In this Washington D.C. metro map, as with most schematic subway maps, color coded lines represent the different rail lines. Visual searching occurs when we actively scan the environment to locate a specific feature among many distractors.
Explanation:
We need to assume that the orbits are circular; this is a very good approximation and do not hesitate to adopt it. We need then to consider the basic equation of circular motion that relates centripetal acceleration, angular velocity, mass, radius and force:
. We also have the basic equation of Newton, F=ma. By checking, we see that for each planet we have that a=v^2*r where v is the angular velocity. v=
where T is the orbital period, hence we have that a=
. Denote with the index 1 the Earth case and with 2 the Mars case. We have then that
. Substituting the known values in a calculator, we get the result: the centripetal acceleration of earth is 2.32 times greater than that of Mars.
Answer:
Creation of European coal and steel community in 1951.
Creation of European economic community in 1957.
Maastricht treaty and formal creation of Union in 1992.
Explanation:
After WW2 ended an idea that Europe should be united was wide spread. It is interesting that those who proclaimed it the most were France and Germany. That is why in 1951 ECSC was created with a participation of just a couple of countries, including the Benelux countries. Today EU is one of the biggest unions in the world.
<span>Reuse water left over from cooking.</span>
Quality of population depends upon: Literacy rate Health of a person indicated by life expectancy Skill formation
Literacy rate.
Health of a person indicated by life expectancy.
Skill formation.
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