Physics, 20.07.2020 01:01, cannaincorporated
Compared to other NASA programs, the Discovery missions have A. been very disappointing. B. had several highly publicized disasters. C. made new discoveries for relatively little cost. D. allowed astronauts to travel to more places in the solar system. What does the Drake equation tell us? Drake equation: N = R* × ƒp × ne × ƒl × ƒi × ƒc × L A. the exact number of extraterrestrial civilizations B. the rate of star formation and the chance that life will appear on any given planet C. an estimate for the approximate number of alien civilizations with which we could communicate D. the percentage of planets on which extraterrestrial life could emerge and send signals into space
Answers: 1
Physics, 22.06.2019 10:00, he0gaubong
Which atomic model was proposed as a result of j. j. thomson’s work?
Answers: 1
Physics, 22.06.2019 10:30, legendman27
You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.
Answers: 3
Physics, 22.06.2019 12:30, spenceraniyah1
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Compared to other NASA programs, the Discovery missions have A. been very disappointing. B. had seve...
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