Answer:
The five steps for determining density can be found in simple form as follows, measure the mass of the container, measure the volume of the liquid(s), measure the combined mass of the liquid and the container, and then determine the mass of the liquid alone and divide the mass by the volume of it.
Answer:
The Rutherford model was devised by the New Zealand-born physicist Ernest Rutherford to describe an atom. Rutherford directed the Geiger–Marsden experiment in 1909, which suggested, upon Rutherford's 1911 analysis, that J. J. Thomson's plum pudding model of the atom was incorrect.
Atomic theory year: 1911
Explanation:
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Answer:
(-6,8)
Explanation:
Since v has direction as u, it must be a multiple n of u.
![\sqrt{(-3n)^+(4n)^2}=10\\9n^2+16N^2 =100\\n^2=4\\n=2](https://tex.z-dn.net/?f=%5Csqrt%7B%28-3n%29%5E%2B%284n%29%5E2%7D%3D10%5C%5C9n%5E2%2B16N%5E2%20%3D100%5C%5Cn%5E2%3D4%5C%5Cn%3D2)
therefore v = (3×2, 4×2) = (-6,8)
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