Questions in Grade High-school

Questions in Grade High-school

[Free] Two strings of equal length are stretched out with equal tension. The second string is four times as massive as the first string. If a wave travels down the first string with velocity [tex]v[/tex], how fast does a wave travel down the second string?

[Free] Which of the following is found in all viruses? A. protein coat B. cell membrane C. membrane-bound organelles D. ER E. mitochondrial DNA

[Free] What is the square root of 216?

[Free] How do you solve \((3x - 2y)^2\)?

[Free] In what areas did Americans push for reforms?

[Free] One reason common names are not useful to biologists is that they: A. are in Latin. B. can apply to more than one animal. C. are too long. D. require the use of a dichotomous key. What is the answer and why?

[Free] What is the equation [tex]x^2 + y^2 = 9[/tex]?

[Free] How do matter and energy move through the water cycle?

[Free] What two numbers add up to -15 and can be multiplied to get 56?

[Free] The atomic mass of an element is 32.07 u and its atomic number is 16. The number of protons contained in the nucleus of an atom of this element is: A. 16 B. 31 C. 32 D. 48