Physics, 19.07.2019 06:10 annaharmon693
You are trying to take an image of a particular star with apparent magnitude m=10, and need to figure out how long you will need to expose for with your telescope. your friend tells you that her telescope of diameter 0.05 metres can detect the star in 119.5 minutes.
a) if your telescope has diameter 0.18 metres, how long do you need to expose for? answer in minutes.
Answers: 3
Physics, 22.06.2019 18:30
What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane
Answers: 3
Physics, 22.06.2019 19:30
Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?
Answers: 2
Physics, 22.06.2019 23:50
The star nearest to our sun is proxima centauri, at a distance of 4.3 light-years from the sun. how far away, in km, is proxima centauri from the sun?
Answers: 3
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.
Answers: 2
You are trying to take an image of a particular star with apparent magnitude m=10, and need to figur...
Mathematics, 10.11.2019 19:31
Social Studies, 10.11.2019 19:31
Physics, 10.11.2019 19:31
Business, 10.11.2019 19:31
Mathematics, 10.11.2019 19:31
Mathematics, 10.11.2019 19:31
History, 10.11.2019 19:31
Biology, 10.11.2019 19:31
Social Studies, 10.11.2019 19:31
History, 10.11.2019 19:31