Which statement best describes perigee? A. The closest point in Earth's orbit of the Sun
B. The Sun's orbit that is closest to the Moon
C. The farthest point in the Moon's orbit to Earth
D. The closet point in the Moon's orbit to Earth
Answers
Whenever you see "-gee" in the description of a point in an orbit,
you know it's talking about an orbit of the Earth. You see the same
piece of a word in "geology" and "geography". "Geometry" began
as the study of measuring places on the Earth, so that you and your
neighbor could agree on where your field ends and his begins, and
if you wanted to buy part of his field from him, the two of you could
go outside, do some measurements, and agree on what area you're
paying him for.
"Perigee" and "apogee" are the points in the orbit of the Moon, or a
TV satellite, or the International Space Station, where the orbiting body
is nearest or farthest from the Earth. "Perigee" is the lowest/nearest point.
"Apogee" is the highest/farthest point.
If the description has "-helion" in it instead of "-gee", then it's talking about
an orbit around the sun, like points in the Earth's orbit. The "-helion" comes
from the Greek word "Helios" for the Sun.
Earth is at perihelion during the first few days of January, and at aphelion
during the first few days of July. (That's right ... nearest to the sun in January,
and farthest from the sun in July.)
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A.
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B.
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C.
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Answers
Answers
B. 0 m/s^2
C. -9.81 m/s^2
D. It is not constant.
Answers
Answer: B.
Explanation:
When we talk about projectile motion, we have to deal with parabolic motion, which has two components: vertical and horizontal.
In the case of Earth, the acceleration is due gravity, which is constant and directed downwards (vertically) and have a value of .
Now, in the case of the horizontal component, the acceleration will always be zero.
This is because we are dealing with parabolic movement, the x-component of the velocity remains the same (hence, there is no acceleration), while the y-component always change because it is affected by the acceleration due gravity that acts verticaly.
Answers
GPE = mgh
where:
m = mass of object
g = gravitational constant, 9.81 m/s^2
h = height
For a given gpe of 20 J, the height can be calculated as follows:
*Remember to be consistent with units. Since Joule is derived from SI units, make sure to use SI units for the other variables
GPE = 20 J = 1 (9.81) (h)
h = 2.04 meters
Answers
Answer:
True.
This is because, from the information provided so far, it could be concluded that, the policy makers don't have any single idea of what they are doing regarding to the economy.
This could be seen in the series of poor performance of the economic indicators as shown which has lead to poor economic growth in our country.
Explanation:
c. drawing
b. sketching
d. acting
Answers
Answer:
D
Explanation:
Right on edge2020