Physics, 14.12.2021 05:40, landonp101
A 100 g mass of tungsten at 100.0°C is placed in 200 g of water at 20.0°C. The mixture reaches equilibrium at 21.6°C. Calculate the specific heat of tungsten
Answers: 3
Physics, 21.06.2019 18:00, kadinmorgan
Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?
Answers: 3
Physics, 22.06.2019 12:30, madlenserlipepu1o
Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
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Physics, 22.06.2019 14:00, smkw04p3ao0n
If element x has 99 protons how many electrons does it have
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A 100 g mass of tungsten at 100.0°C is placed in 200 g of water at 20.0°C. The
mixture reaches equ...
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