Physics, 18.12.2019 19:31 dannariushartman

Liquids that do not mix form into layers when they have high densites

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Answer from: Crxymia

answer: immiscible

explanation: liquids that do not mix form into layers when they have different densities. these types of liquids are called immiscible. depending on how many types of liquids are mixed, they can form two or more layers. a good example of this would be oil and water.

Answer from: demi9646

answer:

they are like that because they have high densities

Answer from: Quest

russian is not my first language, so i'm afraid i can't write out an answer in russian, but hopefully you can find a way to do so. here's my best translation of the problem: you're given a plot of a particle's position in one-dimensional space over time, and you're asked to find either the total distance traveled by the particle after 6 seconds had elapsed, or the total displacement of the particle after 6 seconds.

if you want the total distance traveled, you would first need to determine the particle's velocity as a function of time, then integrate that over the 6-second interval. we know the position function is quadratic with roots at 0 and 6, so we have

$x(t)=ax(x-6)$

where $a$ is unknown. because the position is parabolic, there is symmetry about the midpoint at $t=3$ , and we know that

$x(3)=10\implies -9a=10\implies a=-\dfrac{10}9$

so that the position function is

$x(t)=-\dfrac{10}9x(x-6)$

which means the velocity is

$v(t)=\dfrac{\mathrm dx}{\mathrm dt}=-\dfrac{20}9x+\dfrac{60}9$

then the total distance traveled is

$\displaystyle\int_{t=0}^{t=6}|v(t)|\,\mathrm dt=\left\{\int_{t-0}^{t=3}-\int_{t=3}^{t=6}\right\}v(t)\,\mathrm dt=20$

so the total distance traveled is 20 m.

on the other hand, if you want to find displacement: the particle starts at $x=0$ and ends at $x=0$ , so its displacement is 0.

Answer from: Quest

Hellosubatomic particles are particles that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles found in an atom. protons have a positive (+) charge. an easy way to remember this is to remember that both neutron and no electrical charge start with the letter "n."have a nice day

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