Which statement is true concerning the evidence for black holes?
scientists can see bla...
Which statement is true concerning the evidence for black holes?
scientists can see black holes with powerful telescopes.
scientists can see the effect of black holes on nearby stars.
scientists can see trails left in space by black holes.
there is no evidence for black holes.
Answers: 1
Physics, 22.06.2019 15:30
An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
Answers: 1
Physics, 22.06.2019 23:00
How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?
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When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?
Answers: 2
Physics, 23.06.2019 00:30
Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
Answers: 1
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