I think the answer is A because it’s a better explanation
Answer:
false
Explanation:
It doesn't the copper wire wouldn't even be pulled by the magnet at all and the electricity would stay inside of the the force of the copper wire
D. The molecules in water are constantly moving.
They are able to do this because they move around to take whatever shape of the container.
Zinc metal (Zn) reacts with sulfur (S) to create zinc sulfide (ZnS), and the chemical reaction is: Zn (s) + S (s) = ZnS (s).
Importance of Zinc (Zn) and sulfur (S):
- Zinc(Zn) is a vital element that our systems need to absorb food and nutrients as well as create healthy skin and bones. Zinc(Zn) ions play a crucial role in a number of the body's enzymes.
- Sulfur(S) is a pale yellow, tasteless, brittle solid that is also necessary for life. It is found in many proteins as well as the amino acids cysteine and methionine. It is a trace element found in bone minerals, bodily fluids, and lipids.
Chemical reaction -
In this experiment, heating a zinc(Zn) and sulfur(S) combination causes an interesting chemical reaction. A blinding flash of light, hot sparks, a hissing sound, and a cloud of white smoke in the shape of a mushroom are produced.
Therefore, the following chemical processes are taking place in the reaction: Zn (s) + S (s) = ZnS (s).
Learn more about Zinc(Zn) here:
brainly.com/question/13890062
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Answer:
The tangential speed of the tack is 6.988 meters per second.
Explanation:
The tangential speed experimented by the tack (
), measured in meters per second, is equal to the product of the angular speed of the wheel (
), measured in radians per second, and the distance of the tack respect to the rotation axis (
), measured in meters, length that coincides with the radius of the tire. First, we convert the angular speed of the wheel from revolutions per second to radians per second:
![\omega = 2.83\,\frac{rev}{s} \times \frac{2\pi\,rad}{1\,rev}](https://tex.z-dn.net/?f=%5Comega%20%3D%202.83%5C%2C%5Cfrac%7Brev%7D%7Bs%7D%20%5Ctimes%20%5Cfrac%7B2%5Cpi%5C%2Crad%7D%7B1%5C%2Crev%7D)
![\omega \approx 17.781\,\frac{rad}{s}](https://tex.z-dn.net/?f=%5Comega%20%5Capprox%2017.781%5C%2C%5Cfrac%7Brad%7D%7Bs%7D)
Then, the tangential speed of the tack is: (
,
)
![v = \left(17.781\,\frac{rad}{s} \right)\cdot (0.393\,m)](https://tex.z-dn.net/?f=v%20%3D%20%5Cleft%2817.781%5C%2C%5Cfrac%7Brad%7D%7Bs%7D%20%5Cright%29%5Ccdot%20%280.393%5C%2Cm%29)
![v = 6.988\,\frac{m}{s}](https://tex.z-dn.net/?f=v%20%3D%206.988%5C%2C%5Cfrac%7Bm%7D%7Bs%7D)
The tangential speed of the tack is 6.988 meters per second.