Answer:
The linear density is 
Explanation:
From the question we are told that
The density of steel is 
The diameter of the string is 
The radius of the string is evaluated as 
The volume of the string is mathematically evaluated as
Now assuming that the length of the string is L = 2 m
So
Then the mass of the string would be
substituting value
Looking at the question we see that the unit of the linear density is 
Hence the linear density is evaluated as
substituting value
The answer is A. Cones, as rods are not sensitive to color. :)
The first evidence that gravity outside our solar system worked the same way as it does inside is that Herschel measured the two stars that make up the Castor system moved around each other
<h3>What is a Solar system ?</h3>
The Sun, eight planets, their moons, comets, asteroids, meteoroids, and dwarf planets make up a solar system, which revolves around the Sun. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune are the eight planets that revolve in a particular order around the Sun.
- Although there are more than 3,200 other stars in our galaxy with planets around them, our solar system is the only one that is formally referred to as a "solar system."
- The closest stellar system to our solar system, Alpha Centauri, is one of the brightest stars in the southern skies and is only 4.3 light-years away.
Learn more about Solar system here:
brainly.com/question/1286910
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