Physics, 14.02.2021 14:00 kennethcraft901
Можем ли мы описать скорость передвижения: А) только расстоянием пройденным телом; Б) только зная время двежения; В) расстояние, пройденное за 1 час
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Physics, 21.06.2019 15:20
If a clock aboard a space ship traveling at 0.900 c of the speed of light relative to earth chimes once at the beginning of the hour and again when it reads one hour later, how much time would an observer on earth say elapsed between the two chimes?
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Physics, 22.06.2019 04:00
When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
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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, 23.06.2019 03:10
You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30∘ above the horizontal with a force of magnitude 240 n, causing the box to move horizontally. the force of friction between the moving box and the floor has magnitude 41.5 n . what is the box's acceleration just after it begins to move
Answers: 1
Можем ли мы описать скорость передвижения: А) только расстоянием пройденным телом; Б) только зная вр...
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