Physics, 13.02.2021 04:00 jasminebailey829
Milk is poured into a cup of black coffee, and the two liquids mix together spontaneously. As explained by the second law of thermodynamics, separating the milk and coffee is a task that .
A. can be accomplished only with an input of energy
B. cannot be accomplished under any circumstances
C. will occur spontaneously over a long enough period of time
D. might occur spontaneously at a certain temperature and volume
Answers: 2
Physics, 22.06.2019 12:10, lololololol12555
The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.
Answers: 1
Physics, 22.06.2019 19:00, arianaaldaz062002
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
Physics, 23.06.2019 02:00, juliashalnev
Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.
Answers: 3
Milk is poured into a cup of black coffee, and the two liquids mix together spontaneously. As explai...
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