What will happen to the astronaut when the jets produce these four forces: 10N, 10N, 9N, 9N?
1 answer:
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Answer: 4.6 years
Explanation:
According to Kepler’s Third Law of Planetary motion <em>“The square of the orbital period of a planet is proportional to the cube of the semi-major axis
(size) of its orbit”:
</em>
<em />
(1)
However, if is measured in Earth years, and
is measured in astronomical units (unit equivalent to the distance between the Sun and the Earth), equation (1) becomes:
(2)
Knowing and isolating
from (2):
(3)
(4)
Finally:
This is Ceres' orbital period
The angle of incidence is the angle between the incident ray and the normal.
<u>Explanation:</u>
In attached diagram, a light ray approaching the mirror is known as an incident ray (I) whereas the light beam coming out of the mirror is called the reflected ray (R). At the intersection where the beam meets the mirror, you can draw a line perpendicular to the mirror surface.
This line is called as the normal (N) line. Normal divides the angle between the incident and the reflected rays into two equal angle. The angles between the incident and normal beam is called the incidence angle (). The angle between the reflected beam and the normal one is called the reflection angle(
).
