Physics, 27.06.2019 20:50 mayb3imdr3aming
The speed of light is , but it still takes time for light to get to its destination. this is not usually a noticeable effect over short distances here on the earth, but as objects get farther away, the "lag time" for information becomes more . we see objects not as , but rather we see them as . for farther objects, this "lookback time" becomes . since extremely distant objects will also look incredibly to us, we need very large telescopes, which can gather and focus enough light to observe such objects.
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Physics, 21.06.2019 15:30
Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells? (a)gamma rays (b)visible light (c)infrared light (d)microwaves
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Physics, 22.06.2019 03:00
Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f
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Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
Physics, 22.06.2019 05:30
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
Answers: 1
The speed of light is , but it still takes time for light to get to its destination. this is not usu...
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