A star with a right ascension of 1.0 hours will rise
A) 1.0 hours before the vernal equinox.
B) 1.0 hours after the vernal equinox.
C) at the same time as the vernal equinox.
D) 13.0 hours before the vernal equinox.
E) 11.0 hours after the vernal equinox.
B
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During the first moments of the big bang when elements could be created, nuclear fusion reactions made few heavy elements because
a. all heavy nuclei are unstable. b. no stable nuclei exist with masses of 5 or 8 hydrogen masses. c. the helium nucleus is unstable. d. the temperature and density were too low. e. no nuclei heavier than helium could form since there weren't any electrons formed.
Website administrators relay on ______, which is data such as the number of users who commented on, shared, viewed, or liked webpage content.
A. analytics B. benchmarking C. cookies D. hits
According to the equipartition theorem, the molar heat capacity of a monatomic ideal gas
Length Contraction: The figure shows a right-angled construction frame ABC. When measured at rest, it has dimensions as follows: AB = 26.0 m, AC = 10.0 m, and BC = 24.0 m. This frame is now given a new velocity of 0.760c, relative to Earth, in a direction parallel to AC. How long is part AC of this frame with the new velocity as measured by Earth-based engineers?
A. 6.50 m B. 25.4 m C. 24.3 m D. 23.7 m E. 24.9 m