Physics, 07.11.2019 21:31 emmv565628
One of the most studied objects in the night sky is the crab nebula, the remains of a supernova explosion observed by the chinese in 1054. in 1968 it was discovered that a pulsar-a rapidly rotating neutron star that emits a pulse of radio waves with each revolution-lies near the center of the crab nebula. the period of this pulsar is 33 ms. what is the angular speed in rad/s of the crab nebula pulsar?
Answers: 1
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Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
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Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
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An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field
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9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.
Answers: 1
One of the most studied objects in the night sky is the crab nebula, the remains of a supernova expl...
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