Mechanical efficiency, Clear answer, Back, and Next are not parts of a lever.
The copper and oxygen and oxygen atoms are not ions, and the bonds are more covalent than they are ionic.
Answer:
Given that the Washington State has a serious problem of lack of water, while Iowa has the opposite problem, a balance should be sought to redistribute this proportion of water between the states.
The most viable and appropriate option to resolve this situation would be to build a dam on the Mississippi River, which forms the eastern border of the state and collects the largest amounts of rainwater in its flow.
Then, this dam should be connected through channels and aqueducts with the other Iowa rivers, such as the Cedar River, until reaching the Missouri River, the river that marks the eastern border of the state.
There, the course of the aqueducts should be piped so that they run underground to the west, supplying not only the Washington State, but all the states that in the course of the pipeline have aridity problems, through different extraction and pumping points.
Answer:
Explanation:
If we call 1 the position in space where the meteoroid of mass m speed is very small relative to Earth's (whose mass is and radius is ) and it is at a perpendicular distance of above Earth's surface, and 2 the position when it is above the ground, then, since in this case mechanical energy is conserved, we can write:
which means:
where K is the kinetic energy and U the gravitational potential energy. Since we can write:
which means:
And since (the distance of an object to the center of the Earth is Earth's radius plus the height of the object), we have:
This for our values is:
The focal length (in meters) of a lens whose radius of curvature is 9. 2 m and has a refractive index 1.2 will be 18.4 m
The focal length of a lens is determined when the lens is focused at infinity. Lens focal length tells us the angle of view—how much of the scene will be captured—and the magnification—how large individual elements will be.
Focal length of a lens is the distance between center of lens and focal point . Focal point is a point on principal axis , at which light rays parallel to principal axis meet after refraction through lens or seem to meet after refraction .
The radius of curvature is the radius of sphere formed by the convex or concave mirror. It is also equal to the distance between the pole and center of curvature. The sign convention for focal length and radius of curvature is the same.
focal length = 2 * radius of curvature
given
radius of curvature = 9.2 m
focal length = 2 * 9.2
= 18.4 m
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