Physics, 30.11.2019 04:31 littlemoneyh
Observations of the crab nebula taken over several decades show that gas blobs that are now 100 arcseconds from the center of the nebula are moving away from the center by about 0.11 arcsecond per year. use that information to estimate the year in which the explosion ought to have been observed.
Answers: 1
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An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped
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Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
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Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
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Physics, 23.06.2019 03:50
In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.
Answers: 2
Observations of the crab nebula taken over several decades show that gas blobs that are now 100 arcs...
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