Physics, 05.11.2020 18:50 umchriis

Two stars in the sky give off the same amount of total energy, but Star A appears 100 times fainter in our night sky than Star B. How many times farther away is Star A than Star B?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 00:00, hgl

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Answers: 2

continue

Physics, 22.06.2019 01:30, chandranewlon

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

Answers: 1

continue

Physics, 22.06.2019 13:40, sbudlove2838

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

Answers: 1

continue

Physics, 23.06.2019 00:30, Brittpaulina

Which change would make the diagram correct?

Answers: 1

continue

You know the right answer?

Two stars in the sky give off the same amount of total energy, but Star A appears 100 times fainter...