Physics, 11.02.2020 01:55 autumnguidry7628
Measurement of the H line in the spectrum of the halo star HD 19445 reveals a wavelength of 656.586 nm compared to the rest wavelength of 656.281 nm. What is the radial velocity of HD 19445 in km/s? (answer down to one decimal place and include your +/- sign; do NOT include the units in your answer
Answers: 1
Physics, 21.06.2019 17:20
The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?
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Physics, 21.06.2019 23:30
Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?
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Physics, 22.06.2019 00:00
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Physics, 22.06.2019 07:00
Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount
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Measurement of the H line in the spectrum of the halo star HD 19445 reveals a wavelength of 656.586...
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