Physics, 24.09.2019 22:40 Lizzy527663
In 2005 astronomers announced the discovery of a large black hole in the galaxy markarian 766 having clumps of matter orbiting around once every 27 hours and moving at 30,000 km/s. a. how far are these clumps from the center of the black hole? b. what is the mass of this black hole, assuming circular orbits? express your answer in kilograms and as a multiple of our sun's mass. c. what is the radius of its event horizon?
Answers: 1
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When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves
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Physics, 22.06.2019 11:10
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
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