Physics, 21.04.2021 21:50 nicolemaefahey
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What is the wavelength of this wave?
I really need help
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Physics, 21.06.2019 17:00
What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
Answers: 2
Physics, 22.06.2019 02:30
The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?
Answers: 3
Physics, 22.06.2019 07:10
Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers
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С
A-
10
12 14
18
20
-0.1
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B
What is t...
A-
10
12 14
18
20
-0.1
-0.2
B
What is t...
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