Physics, 03.03.2020 05:04 taminazaka1
Two 20.0 g ice cubes at − 20.0 ∘ C are placed into 285 g of water at 25.0 ∘ C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature, T f , of the water after all the ice melts.
Answers: 3
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When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation
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Physics, 21.06.2019 22:30
A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.
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Physics, 22.06.2019 03:30
The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared
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Physics, 22.06.2019 09:10
The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island
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Two 20.0 g ice cubes at − 20.0 ∘ C are placed into 285 g of water at 25.0 ∘ C. Assuming no energy is...
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