URGENT! Please help me with these questions and show work. I will mark brainliest!
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Physics, 25.02.2021 06:10 blueheeter1461
URGENT! Please help me with these questions and show work. I will mark brainliest!
Answers: 2
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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
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A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s
Answers: 3
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Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate
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In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.
Answers: 1
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