I think the correct answer from the choices listed above is option D. Scientific theories summarize patterns found in nature. Although, the statement scientific theories are never proven is somewhat true. They are either disproved or they are never disproved. Hope this answers the question.
Answer:
D. 550 Hz
Explanation:
Frequency for string is given by
where v is the speed of the wave, L = m is the length
Frequency is inversely proportional to the Length of the string
from above relation we can write
The newly shortened string has 4/5 the length of the full string .i,e
Hence option D is correct
What is your choses .becuse it mit be a place
Answer:
Nuclear Fusion
Explanation:
when a star's core collapses, it has no outer layer of resources to use, so it uses the resources inside of it, nuclear fusion is a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.