Physics, 25.12.2019 02:31 raquelqueengucci25
The hubble constant is about 70 km/s/mpc 70 km/s/mpc , which means that a galaxy traveling at 2100 km/s 2100 km/s away from the milky way is about 30 mpc away. messier 77 this spiral galaxy is traveling away from the milky way at about 1140 km/s 1140 km/s and is about 14 mpc 14 mpc away. what would the velocity of the milky way be as seen from such a galaxy
Answers: 1
Physics, 21.06.2019 18:00
This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical
Answers: 2
Physics, 22.06.2019 11:30
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
Answers: 1
Physics, 22.06.2019 11:50
Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.
Answers: 2
The hubble constant is about 70 km/s/mpc 70 km/s/mpc , which means that a galaxy traveling at 2100 k...
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